221661572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{739}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 449789760

約数和(自身を除く): 228128188

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 401, 739, 748, 802, 1478, 1604, 2956, 4411, 6817, 8129, 8822, 12563, 13634, 16258, 17644, 25126, 27268, 32516, 50252, 74987, 138193, 149974, 276386, 296339, 299948, 552772, 592678, 1185356, 3259729, 5037763, 6519458, 10075526, 13038916, 20151052, 55415393, 110830786, 221661572]

約数ペア:

[(1, 221661572), (2, 110830786), (4, 55415393), (11, 20151052), (17, 13038916), (22, 10075526), (34, 6519458), (44, 5037763), (68, 3259729), (187, 1185356), (374, 592678), (401, 552772), (739, 299948), (748, 296339), (802, 276386), (1478, 149974), (1604, 138193), (2956, 74987), (4411, 50252), (6817, 32516), (8129, 27268), (8822, 25126), (12563, 17644), (13634, 16258)]