405458416

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{209431}}^1$

素因数の和:209461

約数の個数: 30

約数和(自身を含む): 863488136

約数和(自身を除く): 458029720

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 209431, 418862, 837724, 1675448, 2303741, 3350896, 4607482, 9214964, 18429928, 25341151, 36859856, 50682302, 101364604, 202729208, 405458416]

約数ペア:

[(1, 405458416), (2, 202729208), (4, 101364604), (8, 50682302), (11, 36859856), (16, 25341151), (22, 18429928), (44, 9214964), (88, 4607482), (121, 3350896), (176, 2303741), (242, 1675448), (484, 837724), (968, 418862), (1936, 209431)]