66666928

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2953}}^1$

素因数の和:3061

約数の個数: 40

約数和(自身を含む): 138459888

約数和(自身を除く): 71792960

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 83, 136, 166, 272, 332, 664, 1328, 1411, 2822, 2953, 5644, 5906, 11288, 11812, 22576, 23624, 47248, 50201, 100402, 200804, 245099, 401608, 490198, 803216, 980396, 1960792, 3921584, 4166683, 8333366, 16666732, 33333464, 66666928]

約数ペア:

[(1, 66666928), (2, 33333464), (4, 16666732), (8, 8333366), (16, 4166683), (17, 3921584), (34, 1960792), (68, 980396), (83, 803216), (136, 490198), (166, 401608), (272, 245099), (332, 200804), (664, 100402), (1328, 50201), (1411, 47248), (2822, 23624), (2953, 22576), (5644, 11812), (5906, 11288)]