218535492

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:702

約数の個数: 144

約数和(自身を含む): 645550080

約数和(自身を除く): 427014588

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 31, 38, 42, 49, 57, 62, 76, 84, 93, 98, 114, 124, 133, 147, 186, 196, 217, 228, 266, 294, 372, 399, 434, 532, 588, 589, 631, 651, 798, 868, 931, 1178, 1262, 1302, 1519, 1596, 1767, 1862, 1893, 2356, 2524, 2604, 2793, 3038, 3534, 3724, 3786, 4123, 4417, 4557, 5586, 6076, 7068, 7572, 8246, 8834, 9114, 11172, 11989, 12369, 13251, 16492, 17668, 18228, 19561, 23978, 24738, 26502, 28861, 30919, 35967, 39122, 47956, 49476, 53004, 57722, 58683, 61838, 71934, 78244, 83923, 86583, 92757, 115444, 117366, 123676, 136927, 143868, 167846, 173166, 185514, 234732, 251769, 273854, 335692, 346332, 371028, 371659, 410781, 503538, 547708, 587461, 743318, 821562, 958489, 1007076, 1114977, 1174922, 1486636, 1643124, 1762383, 1916978, 2229954, 2349844, 2601613, 2875467, 3524766, 3833956, 4459908, 5203226, 5750934, 7049532, 7804839, 10406452, 11501868, 15609678, 18211291, 31219356, 36422582, 54633873, 72845164, 109267746, 218535492]

約数ペア:

[(1, 218535492), (2, 109267746), (3, 72845164), (4, 54633873), (6, 36422582), (7, 31219356), (12, 18211291), (14, 15609678), (19, 11501868), (21, 10406452), (28, 7804839), (31, 7049532), (38, 5750934), (42, 5203226), (49, 4459908), (57, 3833956), (62, 3524766), (76, 2875467), (84, 2601613), (93, 2349844), (98, 2229954), (114, 1916978), (124, 1762383), (133, 1643124), (147, 1486636), (186, 1174922), (196, 1114977), (217, 1007076), (228, 958489), (266, 821562), (294, 743318), (372, 587461), (399, 547708), (434, 503538), (532, 410781), (588, 371659), (589, 371028), (631, 346332), (651, 335692), (798, 273854), (868, 251769), (931, 234732), (1178, 185514), (1262, 173166), (1302, 167846), (1519, 143868), (1596, 136927), (1767, 123676), (1862, 117366), (1893, 115444), (2356, 92757), (2524, 86583), (2604, 83923), (2793, 78244), (3038, 71934), (3534, 61838), (3724, 58683), (3786, 57722), (4123, 53004), (4417, 49476), (4557, 47956), (5586, 39122), (6076, 35967), (7068, 30919), (7572, 28861), (8246, 26502), (8834, 24738), (9114, 23978), (11172, 19561), (11989, 18228), (12369, 17668), (13251, 16492)]