12478988

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{641}}^1$

素因数の和:833

約数の個数: 24

約数和(自身を含む): 22721664

約数和(自身を除く): 10242676

約数列:

[1, 2, 4, 31, 62, 124, 157, 314, 628, 641, 1282, 2564, 4867, 9734, 19468, 19871, 39742, 79484, 100637, 201274, 402548, 3119747, 6239494, 12478988]

約数ペア:

[(1, 12478988), (2, 6239494), (4, 3119747), (31, 402548), (62, 201274), (124, 100637), (157, 79484), (314, 39742), (628, 19871), (641, 19468), (1282, 9734), (2564, 4867)]