289807856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{2861}}^1$

素因数の和:3369

約数の個数: 40

約数和(自身を含む): 606148704

約数和(自身を除く): 316340848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 487, 974, 1948, 2861, 3896, 5722, 6331, 7792, 11444, 12662, 22888, 25324, 37193, 45776, 50648, 74386, 101296, 148772, 297544, 595088, 1393307, 2786614, 5573228, 11146456, 18112991, 22292912, 36225982, 72451964, 144903928, 289807856]

約数ペア:

[(1, 289807856), (2, 144903928), (4, 72451964), (8, 36225982), (13, 22292912), (16, 18112991), (26, 11146456), (52, 5573228), (104, 2786614), (208, 1393307), (487, 595088), (974, 297544), (1948, 148772), (2861, 101296), (3896, 74386), (5722, 50648), (6331, 45776), (7792, 37193), (11444, 25324), (12662, 22888)]