1285334870

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{788549}}^1$

素因数の和:788719

約数の個数: 16

約数和(自身を含む): 2327799600

約数和(自身を除く): 1042464730

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 788549, 1577098, 3942745, 7885490, 128533487, 257066974, 642667435, 1285334870]

約数ペア:

[(1, 1285334870), (2, 642667435), (5, 257066974), (10, 128533487), (163, 7885490), (326, 3942745), (815, 1577098), (1630, 788549)]