261451428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{30817}}^1$

素因数の和:30932

約数の個数: 48

約数和(自身を含む): 704129664

約数和(自身を除く): 442678236

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 101, 202, 303, 404, 606, 707, 1212, 1414, 2121, 2828, 4242, 8484, 30817, 61634, 92451, 123268, 184902, 215719, 369804, 431438, 647157, 862876, 1294314, 2588628, 3112517, 6225034, 9337551, 12450068, 18675102, 21787619, 37350204, 43575238, 65362857, 87150476, 130725714, 261451428]

約数ペア:

[(1, 261451428), (2, 130725714), (3, 87150476), (4, 65362857), (6, 43575238), (7, 37350204), (12, 21787619), (14, 18675102), (21, 12450068), (28, 9337551), (42, 6225034), (84, 3112517), (101, 2588628), (202, 1294314), (303, 862876), (404, 647157), (606, 431438), (707, 369804), (1212, 215719), (1414, 184902), (2121, 123268), (2828, 92451), (4242, 61634), (8484, 30817)]