12881864

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 25190400

約数和(自身を除く): 12308536

約数列:

[1, 2, 4, 8, 31, 62, 124, 127, 248, 254, 409, 508, 818, 1016, 1636, 3272, 3937, 7874, 12679, 15748, 25358, 31496, 50716, 51943, 101432, 103886, 207772, 415544, 1610233, 3220466, 6440932, 12881864]

約数ペア:

[(1, 12881864), (2, 6440932), (4, 3220466), (8, 1610233), (31, 415544), (62, 207772), (124, 103886), (127, 101432), (248, 51943), (254, 50716), (409, 31496), (508, 25358), (818, 15748), (1016, 12679), (1636, 7874), (3272, 3937)]