221567892498

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^2\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{571}}^1$

素因数の和:885

約数の個数: 144

約数和(自身を含む): 501681042720

約数和(自身を除く): 280113150222

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 89, 129, 131, 178, 258, 262, 267, 387, 393, 534, 571, 774, 786, 801, 1142, 1179, 1602, 1713, 1849, 2358, 3426, 3698, 3827, 5139, 5547, 5633, 7654, 10278, 11094, 11266, 11481, 11659, 16641, 16899, 22962, 23318, 24553, 33282, 33798, 34443, 34977, 49106, 50697, 50819, 68886, 69954, 73659, 74801, 101394, 101638, 104931, 147318, 149602, 152457, 164561, 209862, 220977, 224403, 242219, 304914, 329122, 441954, 448806, 457371, 484438, 493683, 501337, 673209, 726657, 914742, 987366, 1002674, 1055779, 1346418, 1453314, 1481049, 1504011, 2111558, 2179971, 2185217, 2962098, 3008022, 3167337, 3216443, 4359942, 4370434, 4512033, 6334674, 6432886, 6555651, 6657289, 9024066, 9502011, 9649329, 13111302, 13314578, 19004022, 19298658, 19666953, 19971867, 21557491, 28947987, 39333906, 39943734, 43114982, 57895974, 59915601, 64672473, 93964331, 119831202, 129344946, 138307049, 187928662, 194017419, 276614098, 281892993, 286263427, 388034838, 414921147, 563785986, 572526854, 829842294, 845678979, 858790281, 1244763441, 1691357958, 1717580562, 2489526882, 2576370843, 5152741686, 12309327361, 24618654722, 36927982083, 73855964166, 110783946249, 221567892498]

約数ペア:

[(1, 221567892498), (2, 110783946249), (3, 73855964166), (6, 36927982083), (9, 24618654722), (18, 12309327361), (43, 5152741686), (86, 2576370843), (89, 2489526882), (129, 1717580562), (131, 1691357958), (178, 1244763441), (258, 858790281), (262, 845678979), (267, 829842294), (387, 572526854), (393, 563785986), (534, 414921147), (571, 388034838), (774, 286263427), (786, 281892993), (801, 276614098), (1142, 194017419), (1179, 187928662), (1602, 138307049), (1713, 129344946), (1849, 119831202), (2358, 93964331), (3426, 64672473), (3698, 59915601), (3827, 57895974), (5139, 43114982), (5547, 39943734), (5633, 39333906), (7654, 28947987), (10278, 21557491), (11094, 19971867), (11266, 19666953), (11481, 19298658), (11659, 19004022), (16641, 13314578), (16899, 13111302), (22962, 9649329), (23318, 9502011), (24553, 9024066), (33282, 6657289), (33798, 6555651), (34443, 6432886), (34977, 6334674), (49106, 4512033), (50697, 4370434), (50819, 4359942), (68886, 3216443), (69954, 3167337), (73659, 3008022), (74801, 2962098), (101394, 2185217), (101638, 2179971), (104931, 2111558), (147318, 1504011), (149602, 1481049), (152457, 1453314), (164561, 1346418), (209862, 1055779), (220977, 1002674), (224403, 987366), (242219, 914742), (304914, 726657), (329122, 673209), (441954, 501337), (448806, 493683), (457371, 484438)]