664758916

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{1019}}^1\times {\mathrm{5261}}^1$

素因数の和:6315

約数の個数: 24

約数和(自身を含む): 1202261760

約数和(自身を除く): 537502844

約数列:

[1, 2, 4, 31, 62, 124, 1019, 2038, 4076, 5261, 10522, 21044, 31589, 63178, 126356, 163091, 326182, 652364, 5360959, 10721918, 21443836, 166189729, 332379458, 664758916]

約数ペア:

[(1, 664758916), (2, 332379458), (4, 166189729), (31, 21443836), (62, 10721918), (124, 5360959), (1019, 652364), (2038, 326182), (4076, 163091), (5261, 126356), (10522, 63178), (21044, 31589)]