28704688

素因数分解:

$2^4\times {\mathrm{397}}^1\times {\mathrm{4519}}^1$

素因数の和:4924

約数の個数: 20

約数和(自身を含む): 55767760

約数和(自身を除く): 27063072

約数列:

[1, 2, 4, 8, 16, 397, 794, 1588, 3176, 4519, 6352, 9038, 18076, 36152, 72304, 1794043, 3588086, 7176172, 14352344, 28704688]

約数ペア:

[(1, 28704688), (2, 14352344), (4, 7176172), (8, 3588086), (16, 1794043), (397, 72304), (794, 36152), (1588, 18076), (3176, 9038), (4519, 6352)]