81087604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{449}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 160876800

約数和(自身を除く): 79789196

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 151, 299, 302, 449, 598, 604, 898, 1196, 1796, 1963, 3473, 3926, 5837, 6946, 7852, 10327, 11674, 13892, 20654, 23348, 41308, 45149, 67799, 90298, 134251, 135598, 180596, 268502, 271196, 537004, 881387, 1559377, 1762774, 3118754, 3525548, 6237508, 20271901, 40543802, 81087604]

約数ペア:

[(1, 81087604), (2, 40543802), (4, 20271901), (13, 6237508), (23, 3525548), (26, 3118754), (46, 1762774), (52, 1559377), (92, 881387), (151, 537004), (299, 271196), (302, 268502), (449, 180596), (598, 135598), (604, 134251), (898, 90298), (1196, 67799), (1796, 45149), (1963, 41308), (3473, 23348), (3926, 20654), (5837, 13892), (6946, 11674), (7852, 10327)]