128538332

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{18043}}^1$

素因数の和:18197

約数の個数: 24

約数和(自身を含む): 244027056

約数和(自身を除く): 115488724

約数列:

[1, 2, 4, 13, 26, 52, 137, 274, 548, 1781, 3562, 7124, 18043, 36086, 72172, 234559, 469118, 938236, 2471891, 4943782, 9887564, 32134583, 64269166, 128538332]

約数ペア:

[(1, 128538332), (2, 64269166), (4, 32134583), (13, 9887564), (26, 4943782), (52, 2471891), (137, 938236), (274, 469118), (548, 234559), (1781, 72172), (3562, 36086), (7124, 18043)]