28061878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 46781280

約数和(自身を除く): 18719402

約数列:

[1, 2, 13, 26, 67, 89, 134, 178, 181, 362, 871, 1157, 1742, 2314, 2353, 4706, 5963, 11926, 12127, 16109, 24254, 32218, 77519, 155038, 157651, 209417, 315302, 418834, 1079303, 2158606, 14030939, 28061878]

約数ペア:

[(1, 28061878), (2, 14030939), (13, 2158606), (26, 1079303), (67, 418834), (89, 315302), (134, 209417), (178, 157651), (181, 155038), (362, 77519), (871, 32218), (1157, 24254), (1742, 16109), (2314, 12127), (2353, 11926), (4706, 5963)]