8187725

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 12915840

約数和(自身を除く): 4728115

約数列:

[1, 5, 7, 13, 25, 35, 59, 61, 65, 91, 175, 295, 305, 325, 413, 427, 455, 767, 793, 1475, 1525, 2065, 2135, 2275, 3599, 3835, 3965, 5369, 5551, 10325, 10675, 17995, 19175, 19825, 25193, 26845, 27755, 46787, 89975, 125965, 134225, 138775, 233935, 327509, 629825, 1169675, 1637545, 8187725]

約数ペア:

[(1, 8187725), (5, 1637545), (7, 1169675), (13, 629825), (25, 327509), (35, 233935), (59, 138775), (61, 134225), (65, 125965), (91, 89975), (175, 46787), (295, 27755), (305, 26845), (325, 25193), (413, 19825), (427, 19175), (455, 17995), (767, 10675), (793, 10325), (1475, 5551), (1525, 5369), (2065, 3965), (2135, 3835), (2275, 3599)]