1643281375

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{1997}}^1$

素因数の和:2268

約数の個数: 32

約数和(自身を含む): 2131945920

約数和(自身を除く): 488664545

約数列:

[1, 5, 25, 29, 125, 145, 227, 725, 1135, 1997, 3625, 5675, 6583, 9985, 28375, 32915, 49925, 57913, 164575, 249625, 289565, 453319, 822875, 1447825, 2266595, 7239125, 11332975, 13146251, 56664875, 65731255, 328656275, 1643281375]

約数ペア:

[(1, 1643281375), (5, 328656275), (25, 65731255), (29, 56664875), (125, 13146251), (145, 11332975), (227, 7239125), (725, 2266595), (1135, 1447825), (1997, 822875), (3625, 453319), (5675, 289565), (6583, 249625), (9985, 164575), (28375, 57913), (32915, 49925)]