78858806

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:800

約数の個数: 32

約数和(自身を含む): 131453280

約数和(自身を除く): 52594474

約数列:

[1, 2, 13, 26, 53, 89, 106, 178, 643, 689, 1157, 1286, 1378, 2314, 4717, 8359, 9434, 16718, 34079, 57227, 61321, 68158, 114454, 122642, 443027, 743951, 886054, 1487902, 3033031, 6066062, 39429403, 78858806]

約数ペア:

[(1, 78858806), (2, 39429403), (13, 6066062), (26, 3033031), (53, 1487902), (89, 886054), (106, 743951), (178, 443027), (643, 122642), (689, 114454), (1157, 68158), (1286, 61321), (1378, 57227), (2314, 34079), (4717, 16718), (8359, 9434)]