647685108

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4877}}^1$

素因数の和:4942

約数の個数: 144

約数和(自身を含む): 2045481984

約数和(自身を除く): 1397796876

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 31, 34, 36, 42, 51, 62, 63, 68, 84, 93, 102, 119, 124, 126, 153, 186, 204, 217, 238, 252, 279, 306, 357, 372, 434, 476, 527, 558, 612, 651, 714, 868, 1054, 1071, 1116, 1302, 1428, 1581, 1953, 2108, 2142, 2604, 3162, 3689, 3906, 4284, 4743, 4877, 6324, 7378, 7812, 9486, 9754, 11067, 14631, 14756, 18972, 19508, 22134, 29262, 33201, 34139, 43893, 44268, 58524, 66402, 68278, 82909, 87786, 102417, 132804, 136556, 151187, 165818, 175572, 204834, 248727, 302374, 307251, 331636, 409668, 453561, 497454, 580363, 604748, 614502, 746181, 907122, 994908, 1058309, 1160726, 1229004, 1360683, 1492362, 1741089, 1814244, 2116618, 2321452, 2570179, 2721366, 2984724, 3174927, 3482178, 4233236, 5140358, 5223267, 5442732, 6349854, 6964356, 7710537, 9524781, 10280716, 10446534, 12699708, 15421074, 17991253, 19049562, 20893068, 23131611, 30842148, 35982506, 38099124, 46263222, 53973759, 71965012, 92526444, 107947518, 161921277, 215895036, 323842554, 647685108]

約数ペア:

[(1, 647685108), (2, 323842554), (3, 215895036), (4, 161921277), (6, 107947518), (7, 92526444), (9, 71965012), (12, 53973759), (14, 46263222), (17, 38099124), (18, 35982506), (21, 30842148), (28, 23131611), (31, 20893068), (34, 19049562), (36, 17991253), (42, 15421074), (51, 12699708), (62, 10446534), (63, 10280716), (68, 9524781), (84, 7710537), (93, 6964356), (102, 6349854), (119, 5442732), (124, 5223267), (126, 5140358), (153, 4233236), (186, 3482178), (204, 3174927), (217, 2984724), (238, 2721366), (252, 2570179), (279, 2321452), (306, 2116618), (357, 1814244), (372, 1741089), (434, 1492362), (476, 1360683), (527, 1229004), (558, 1160726), (612, 1058309), (651, 994908), (714, 907122), (868, 746181), (1054, 614502), (1071, 604748), (1116, 580363), (1302, 497454), (1428, 453561), (1581, 409668), (1953, 331636), (2108, 307251), (2142, 302374), (2604, 248727), (3162, 204834), (3689, 175572), (3906, 165818), (4284, 151187), (4743, 136556), (4877, 132804), (6324, 102417), (7378, 87786), (7812, 82909), (9486, 68278), (9754, 66402), (11067, 58524), (14631, 44268), (14756, 43893), (18972, 34139), (19508, 33201), (22134, 29262)]