199754471

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1237}}^1$

素因数の和:1343

約数の個数: 32

約数和(自身を含む): 256711680

約数和(自身を除く): 56957209

約数列:

[1, 7, 17, 23, 59, 119, 161, 391, 413, 1003, 1237, 1357, 2737, 7021, 8659, 9499, 21029, 23069, 28451, 72983, 147203, 161483, 199157, 483667, 510881, 1240711, 1678609, 3385669, 8684977, 11750263, 28536353, 199754471]

約数ペア:

[(1, 199754471), (7, 28536353), (17, 11750263), (23, 8684977), (59, 3385669), (119, 1678609), (161, 1240711), (391, 510881), (413, 483667), (1003, 199157), (1237, 161483), (1357, 147203), (2737, 72983), (7021, 28451), (8659, 23069), (9499, 21029)]