28021890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5527}}^1$

素因数の和:5563

約数の個数: 48

約数和(自身を含む): 72836928

約数和(自身を除く): 44815038

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 169, 195, 338, 390, 507, 845, 1014, 1690, 2535, 5070, 5527, 11054, 16581, 27635, 33162, 55270, 71851, 82905, 143702, 165810, 215553, 359255, 431106, 718510, 934063, 1077765, 1868126, 2155530, 2802189, 4670315, 5604378, 9340630, 14010945, 28021890]

約数ペア:

[(1, 28021890), (2, 14010945), (3, 9340630), (5, 5604378), (6, 4670315), (10, 2802189), (13, 2155530), (15, 1868126), (26, 1077765), (30, 934063), (39, 718510), (65, 431106), (78, 359255), (130, 215553), (169, 165810), (195, 143702), (338, 82905), (390, 71851), (507, 55270), (845, 33162), (1014, 27635), (1690, 16581), (2535, 11054), (5070, 5527)]