1640851848

素因数分解:

$2^3\times 3^2\times {\mathrm{107}}^1\times {\mathrm{212987}}^1$

素因数の和:213106

約数の個数: 48

約数和(自身を含む): 4485527280

約数和(自身を除く): 2844675432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 107, 214, 321, 428, 642, 856, 963, 1284, 1926, 2568, 3852, 7704, 212987, 425974, 638961, 851948, 1277922, 1703896, 1916883, 2555844, 3833766, 5111688, 7667532, 15335064, 22789609, 45579218, 68368827, 91158436, 136737654, 182316872, 205106481, 273475308, 410212962, 546950616, 820425924, 1640851848]

約数ペア:

[(1, 1640851848), (2, 820425924), (3, 546950616), (4, 410212962), (6, 273475308), (8, 205106481), (9, 182316872), (12, 136737654), (18, 91158436), (24, 68368827), (36, 45579218), (72, 22789609), (107, 15335064), (214, 7667532), (321, 5111688), (428, 3833766), (642, 2555844), (856, 1916883), (963, 1703896), (1284, 1277922), (1926, 851948), (2568, 638961), (3852, 425974), (7704, 212987)]