31331798

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 51632640

約数和(自身を除く): 20300842

約数列:

[1, 2, 19, 38, 47, 53, 94, 106, 331, 662, 893, 1007, 1786, 2014, 2491, 4982, 6289, 12578, 15557, 17543, 31114, 35086, 47329, 94658, 295583, 333317, 591166, 666634, 824521, 1649042, 15665899, 31331798]

約数ペア:

[(1, 31331798), (2, 15665899), (19, 1649042), (38, 824521), (47, 666634), (53, 591166), (94, 333317), (106, 295583), (331, 94658), (662, 47329), (893, 35086), (1007, 31114), (1786, 17543), (2014, 15557), (2491, 12578), (4982, 6289)]