64491128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{21383}}^1$

素因数の和:21431

約数の個数: 32

約数和(自身を含む): 134719200

約数和(自身を除く): 70228072

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 232, 377, 754, 1508, 3016, 21383, 42766, 85532, 171064, 277979, 555958, 620107, 1111916, 1240214, 2223832, 2480428, 4960856, 8061391, 16122782, 32245564, 64491128]

約数ペア:

[(1, 64491128), (2, 32245564), (4, 16122782), (8, 8061391), (13, 4960856), (26, 2480428), (29, 2223832), (52, 1240214), (58, 1111916), (104, 620107), (116, 555958), (232, 277979), (377, 171064), (754, 85532), (1508, 42766), (3016, 21383)]