2005415048

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{88861}}^1$

素因数の和:88918

約数の個数: 64

約数和(自身を含む): 4777221120

約数和(自身を除く): 2771806072

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 182, 217, 248, 364, 403, 434, 728, 806, 868, 1612, 1736, 2821, 3224, 5642, 11284, 22568, 88861, 177722, 355444, 622027, 710888, 1155193, 1244054, 2310386, 2488108, 2754691, 4620772, 4976216, 5509382, 8086351, 9241544, 11018764, 16172702, 19282837, 22037528, 32345404, 35810983, 38565674, 64690808, 71621966, 77131348, 143243932, 154262696, 250676881, 286487864, 501353762, 1002707524, 2005415048]

約数ペア:

[(1, 2005415048), (2, 1002707524), (4, 501353762), (7, 286487864), (8, 250676881), (13, 154262696), (14, 143243932), (26, 77131348), (28, 71621966), (31, 64690808), (52, 38565674), (56, 35810983), (62, 32345404), (91, 22037528), (104, 19282837), (124, 16172702), (182, 11018764), (217, 9241544), (248, 8086351), (364, 5509382), (403, 4976216), (434, 4620772), (728, 2754691), (806, 2488108), (868, 2310386), (1612, 1244054), (1736, 1155193), (2821, 710888), (3224, 622027), (5642, 355444), (11284, 177722), (22568, 88861)]