131408945

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 167132160

約数和(自身を除く): 35723215

約数列:

[1, 5, 47, 61, 89, 103, 235, 305, 445, 515, 2867, 4183, 4841, 5429, 6283, 9167, 14335, 20915, 24205, 27145, 31415, 45835, 255163, 295301, 430849, 559187, 1275815, 1476505, 2154245, 2795935, 26281789, 131408945]

約数ペア:

[(1, 131408945), (5, 26281789), (47, 2795935), (61, 2154245), (89, 1476505), (103, 1275815), (235, 559187), (305, 430849), (445, 295301), (515, 255163), (2867, 45835), (4183, 31415), (4841, 27145), (5429, 24205), (6283, 20915), (9167, 14335)]