28639628

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{11383}}^1$

素因数の和:11441

約数の個数: 24

約数和(自身を含む): 54506592

約数和(自身を除く): 25866964

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 629, 1258, 2516, 11383, 22766, 45532, 193511, 387022, 421171, 774044, 842342, 1684684, 7159907, 14319814, 28639628]

約数ペア:

[(1, 28639628), (2, 14319814), (4, 7159907), (17, 1684684), (34, 842342), (37, 774044), (68, 421171), (74, 387022), (148, 193511), (629, 45532), (1258, 22766), (2516, 11383)]