987451816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{227}}^1\times {\mathrm{277}}^1$

素因数の和:674

約数の個数: 64

約数和(自身を含む): 2023217280

約数和(自身を除く): 1035765464

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 151, 227, 277, 302, 454, 554, 604, 908, 1108, 1208, 1816, 1963, 2216, 2951, 3601, 3926, 5902, 7202, 7852, 11804, 14404, 15704, 23608, 28808, 34277, 41827, 62879, 68554, 83654, 125758, 137108, 167308, 251516, 274216, 334616, 445601, 503032, 543751, 817427, 891202, 1087502, 1634854, 1782404, 2175004, 3269708, 3564808, 4350008, 6539416, 9494729, 18989458, 37978916, 75957832, 123431477, 246862954, 493725908, 987451816]

約数ペア:

[(1, 987451816), (2, 493725908), (4, 246862954), (8, 123431477), (13, 75957832), (26, 37978916), (52, 18989458), (104, 9494729), (151, 6539416), (227, 4350008), (277, 3564808), (302, 3269708), (454, 2175004), (554, 1782404), (604, 1634854), (908, 1087502), (1108, 891202), (1208, 817427), (1816, 543751), (1963, 503032), (2216, 445601), (2951, 334616), (3601, 274216), (3926, 251516), (5902, 167308), (7202, 137108), (7852, 125758), (11804, 83654), (14404, 68554), (15704, 62879), (23608, 41827), (28808, 34277)]