405416

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 881280

約数和(自身を除く): 475864

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 271, 374, 542, 748, 1084, 1496, 2168, 2981, 4607, 5962, 9214, 11924, 18428, 23848, 36856, 50677, 101354, 202708, 405416]

約数ペア:

[(1, 405416), (2, 202708), (4, 101354), (8, 50677), (11, 36856), (17, 23848), (22, 18428), (34, 11924), (44, 9214), (68, 5962), (88, 4607), (136, 2981), (187, 2168), (271, 1496), (374, 1084), (542, 748)]