81378392

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{4507}}^1$

素因数の和:4611

約数の個数: 32

約数和(自身を含む): 159312720

約数和(自身を除く): 77934328

約数列:

[1, 2, 4, 8, 37, 61, 74, 122, 148, 244, 296, 488, 2257, 4507, 4514, 9014, 9028, 18028, 18056, 36056, 166759, 274927, 333518, 549854, 667036, 1099708, 1334072, 2199416, 10172299, 20344598, 40689196, 81378392]

約数ペア:

[(1, 81378392), (2, 40689196), (4, 20344598), (8, 10172299), (37, 2199416), (61, 1334072), (74, 1099708), (122, 667036), (148, 549854), (244, 333518), (296, 274927), (488, 166759), (2257, 36056), (4507, 18056), (4514, 18028), (9014, 9028)]