90120784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{1531}}^1$

素因数の和:1835

約数の個数: 40

約数和(自身を含む): 188828192

約数和(自身を除く): 98707408

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 283, 566, 1132, 1531, 2264, 3062, 3679, 4528, 6124, 7358, 12248, 14716, 19903, 24496, 29432, 39806, 58864, 79612, 159224, 318448, 433273, 866546, 1733092, 3466184, 5632549, 6932368, 11265098, 22530196, 45060392, 90120784]

約数ペア:

[(1, 90120784), (2, 45060392), (4, 22530196), (8, 11265098), (13, 6932368), (16, 5632549), (26, 3466184), (52, 1733092), (104, 866546), (208, 433273), (283, 318448), (566, 159224), (1132, 79612), (1531, 58864), (2264, 39806), (3062, 29432), (3679, 24496), (4528, 19903), (6124, 14716), (7358, 12248)]