221566559792

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{9491}}^1\times {\mathrm{17579}}^1$

素因数の和:27161

約数の個数: 40

約数和(自身を含む): 434527813440

約数和(自身を除く): 212961253648

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 9491, 17579, 18982, 35158, 37964, 70316, 75928, 140632, 151856, 281264, 787753, 1459057, 1575506, 2918114, 3151012, 5836228, 6302024, 11672456, 12604048, 23344912, 166842289, 333684578, 667369156, 1334738312, 2669476624, 13847909987, 27695819974, 55391639948, 110783279896, 221566559792]

約数ペア:

[(1, 221566559792), (2, 110783279896), (4, 55391639948), (8, 27695819974), (16, 13847909987), (83, 2669476624), (166, 1334738312), (332, 667369156), (664, 333684578), (1328, 166842289), (9491, 23344912), (17579, 12604048), (18982, 11672456), (35158, 6302024), (37964, 5836228), (70316, 3151012), (75928, 2918114), (140632, 1575506), (151856, 1459057), (281264, 787753)]