840507956

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{947}}^1\times {\mathrm{4721}}^1$

素因数の和:5719

約数の個数: 24

約数和(自身を含む): 1504089216

約数和(自身を除く): 663581260

約数列:

[1, 2, 4, 47, 94, 188, 947, 1894, 3788, 4721, 9442, 18884, 44509, 89018, 178036, 221887, 443774, 887548, 4470787, 8941574, 17883148, 210126989, 420253978, 840507956]

約数ペア:

[(1, 840507956), (2, 420253978), (4, 210126989), (47, 17883148), (94, 8941574), (188, 4470787), (947, 887548), (1894, 443774), (3788, 221887), (4721, 178036), (9442, 89018), (18884, 44509)]