661001470

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{641749}}^1$

素因数の和:641859

約数の個数: 16

約数和(自身を含む): 1201356000

約数和(自身を除く): 540354530

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 641749, 1283498, 3208745, 6417490, 66100147, 132200294, 330500735, 661001470]

約数ペア:

[(1, 661001470), (2, 330500735), (5, 132200294), (10, 66100147), (103, 6417490), (206, 3208745), (515, 1283498), (1030, 641749)]