57390515

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 88788672

約数和(自身を除く): 31398157

約数列:

[1, 5, 7, 13, 35, 37, 49, 65, 91, 185, 245, 259, 455, 481, 487, 637, 1295, 1813, 2405, 2435, 3185, 3367, 3409, 6331, 9065, 16835, 17045, 18019, 23569, 23863, 31655, 44317, 90095, 117845, 119315, 126133, 221585, 234247, 310219, 630665, 882931, 1171235, 1551095, 1639729, 4414655, 8198645, 11478103, 57390515]

約数ペア:

[(1, 57390515), (5, 11478103), (7, 8198645), (13, 4414655), (35, 1639729), (37, 1551095), (49, 1171235), (65, 882931), (91, 630665), (185, 310219), (245, 234247), (259, 221585), (455, 126133), (481, 119315), (487, 117845), (637, 90095), (1295, 44317), (1813, 31655), (2405, 23863), (2435, 23569), (3185, 18019), (3367, 17045), (3409, 16835), (6331, 9065)]