621967948

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1\times {\mathrm{887}}^1$

素因数の和:1294

約数の個数: 48

約数和(自身を含む): 1265080320

約数和(自身を除く): 643112372

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 317, 553, 634, 887, 1106, 1268, 1774, 2212, 2219, 3548, 4438, 6209, 8876, 12418, 24836, 25043, 50086, 70073, 100172, 140146, 175301, 280292, 281179, 350602, 490511, 562358, 701204, 981022, 1124716, 1962044, 1968253, 3936506, 7873012, 22213141, 44426282, 88852564, 155491987, 310983974, 621967948]

約数ペア:

[(1, 621967948), (2, 310983974), (4, 155491987), (7, 88852564), (14, 44426282), (28, 22213141), (79, 7873012), (158, 3936506), (316, 1968253), (317, 1962044), (553, 1124716), (634, 981022), (887, 701204), (1106, 562358), (1268, 490511), (1774, 350602), (2212, 281179), (2219, 280292), (3548, 175301), (4438, 140146), (6209, 100172), (8876, 70073), (12418, 50086), (24836, 25043)]