129331690

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{5281}}^1$

素因数の和:5398

約数の個数: 32

約数和(自身を含む): 243394560

約数和(自身を除く): 114062870

約数列:

[1, 2, 5, 10, 31, 62, 79, 155, 158, 310, 395, 790, 2449, 4898, 5281, 10562, 12245, 24490, 26405, 52810, 163711, 327422, 417199, 818555, 834398, 1637110, 2085995, 4171990, 12933169, 25866338, 64665845, 129331690]

約数ペア:

[(1, 129331690), (2, 64665845), (5, 25866338), (10, 12933169), (31, 4171990), (62, 2085995), (79, 1637110), (155, 834398), (158, 818555), (310, 417199), (395, 327422), (790, 163711), (2449, 52810), (4898, 26405), (5281, 24490), (10562, 12245)]