641104

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{2357}}^1$

素因数の和:2382

約数の個数: 20

約数和(自身を含む): 1315764

約数和(自身を除く): 674660

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 2357, 4714, 9428, 18856, 37712, 40069, 80138, 160276, 320552, 641104]

約数ペア:

[(1, 641104), (2, 320552), (4, 160276), (8, 80138), (16, 40069), (17, 37712), (34, 18856), (68, 9428), (136, 4714), (272, 2357)]