8119475

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 12832512

約数和(自身を除く): 4713037

約数列:

[1, 5, 7, 13, 25, 35, 43, 65, 83, 91, 175, 215, 301, 325, 415, 455, 559, 581, 1075, 1079, 1505, 2075, 2275, 2795, 2905, 3569, 3913, 5395, 7525, 7553, 13975, 14525, 17845, 19565, 24983, 26975, 37765, 46397, 89225, 97825, 124915, 188825, 231985, 324779, 624575, 1159925, 1623895, 8119475]

約数ペア:

[(1, 8119475), (5, 1623895), (7, 1159925), (13, 624575), (25, 324779), (35, 231985), (43, 188825), (65, 124915), (83, 97825), (91, 89225), (175, 46397), (215, 37765), (301, 26975), (325, 24983), (415, 19565), (455, 17845), (559, 14525), (581, 13975), (1075, 7553), (1079, 7525), (1505, 5395), (2075, 3913), (2275, 3569), (2795, 2905)]