720725642

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{3191}}^1$

素因数の和:3303

約数の個数: 64

約数和(自身を含む): 1428585984

約数和(自身を除く): 707860342

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 73, 91, 119, 146, 182, 221, 238, 442, 511, 949, 1022, 1241, 1547, 1898, 2482, 3094, 3191, 6382, 6643, 8687, 13286, 16133, 17374, 22337, 32266, 41483, 44674, 54247, 82966, 108494, 112931, 225862, 232943, 290381, 379729, 465886, 580762, 705211, 759458, 1410422, 1630601, 3028259, 3261202, 3960031, 4936477, 6056518, 7920062, 9872954, 21197813, 27720217, 42395626, 51480403, 55440434, 102960806, 360362821, 720725642]

約数ペア:

[(1, 720725642), (2, 360362821), (7, 102960806), (13, 55440434), (14, 51480403), (17, 42395626), (26, 27720217), (34, 21197813), (73, 9872954), (91, 7920062), (119, 6056518), (146, 4936477), (182, 3960031), (221, 3261202), (238, 3028259), (442, 1630601), (511, 1410422), (949, 759458), (1022, 705211), (1241, 580762), (1547, 465886), (1898, 379729), (2482, 290381), (3094, 232943), (3191, 225862), (6382, 112931), (6643, 108494), (8687, 82966), (13286, 54247), (16133, 44674), (17374, 41483), (22337, 32266)]