64928444

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{20521}}^1$

素因数の和:20645

約数の個数: 24

約数和(自身を含む): 131012448

約数和(自身を除く): 66084004

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 20521, 41042, 82084, 143647, 287294, 574588, 2318873, 4637746, 9275492, 16232111, 32464222, 64928444]

約数ペア:

[(1, 64928444), (2, 32464222), (4, 16232111), (7, 9275492), (14, 4637746), (28, 2318873), (113, 574588), (226, 287294), (452, 143647), (791, 82084), (1582, 41042), (3164, 20521)]