991770290218

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{557}}^1\times {\mathrm{2579}}^1\times {\mathrm{3167}}^1$

素因数の和:6414

約数の個数: 32

約数和(自身を含む): 1505057241600

約数和(自身を除く): 513286951382

約数列:

[1, 2, 109, 218, 557, 1114, 2579, 3167, 5158, 6334, 60713, 121426, 281111, 345203, 562222, 690406, 1436503, 1764019, 2873006, 3528038, 8167693, 16335386, 156578827, 192278071, 313157654, 384556142, 890278537, 1780557074, 4549405001, 9098810002, 495885145109, 991770290218]

約数ペア:

[(1, 991770290218), (2, 495885145109), (109, 9098810002), (218, 4549405001), (557, 1780557074), (1114, 890278537), (2579, 384556142), (3167, 313157654), (5158, 192278071), (6334, 156578827), (60713, 16335386), (121426, 8167693), (281111, 3528038), (345203, 2873006), (562222, 1764019), (690406, 1436503)]