1290758864

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{110359}}^1$

素因数の和:110427

約数の個数: 40

約数和(自身を含む): 2709558720

約数和(自身を除く): 1418799856

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 68, 86, 136, 172, 272, 344, 688, 731, 1462, 2924, 5848, 11696, 110359, 220718, 441436, 882872, 1765744, 1876103, 3752206, 4745437, 7504412, 9490874, 15008824, 18981748, 30017648, 37963496, 75926992, 80672429, 161344858, 322689716, 645379432, 1290758864]

約数ペア:

[(1, 1290758864), (2, 645379432), (4, 322689716), (8, 161344858), (16, 80672429), (17, 75926992), (34, 37963496), (43, 30017648), (68, 18981748), (86, 15008824), (136, 9490874), (172, 7504412), (272, 4745437), (344, 3752206), (688, 1876103), (731, 1765744), (1462, 882872), (2924, 441436), (5848, 220718), (11696, 110359)]