64399984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1531}}^1$

素因数の和:1789

約数の個数: 40

約数和(自身を含む): 136776960

約数和(自身を除く): 72376976

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 239, 478, 956, 1531, 1912, 2629, 3062, 3824, 5258, 6124, 10516, 12248, 16841, 21032, 24496, 33682, 42064, 67364, 134728, 269456, 365909, 731818, 1463636, 2927272, 4024999, 5854544, 8049998, 16099996, 32199992, 64399984]

約数ペア:

[(1, 64399984), (2, 32199992), (4, 16099996), (8, 8049998), (11, 5854544), (16, 4024999), (22, 2927272), (44, 1463636), (88, 731818), (176, 365909), (239, 269456), (478, 134728), (956, 67364), (1531, 42064), (1912, 33682), (2629, 24496), (3062, 21032), (3824, 16841), (5258, 12248), (6124, 10516)]