668451992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{40939}}^1$

素因数の和:41115

約数の個数: 32

約数和(自身を含む): 1358389200

約数和(自身を除く): 689937208

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 157, 314, 628, 1256, 2041, 4082, 8164, 16328, 40939, 81878, 163756, 327512, 532207, 1064414, 2128828, 4257656, 6427423, 12854846, 25709692, 51419384, 83556499, 167112998, 334225996, 668451992]

約数ペア:

[(1, 668451992), (2, 334225996), (4, 167112998), (8, 83556499), (13, 51419384), (26, 25709692), (52, 12854846), (104, 6427423), (157, 4257656), (314, 2128828), (628, 1064414), (1256, 532207), (2041, 327512), (4082, 163756), (8164, 81878), (16328, 40939)]