7251985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:169

約数の個数: 32

約数和(自身を含む): 9999360

約数和(自身を除く): 2747375

約数列:

[1, 5, 13, 31, 59, 61, 65, 155, 295, 305, 403, 767, 793, 1829, 1891, 2015, 3599, 3835, 3965, 9145, 9455, 17995, 23777, 24583, 46787, 111569, 118885, 122915, 233935, 557845, 1450397, 7251985]

約数ペア:

[(1, 7251985), (5, 1450397), (13, 557845), (31, 233935), (59, 122915), (61, 118885), (65, 111569), (155, 46787), (295, 24583), (305, 23777), (403, 17995), (767, 9455), (793, 9145), (1829, 3965), (1891, 3835), (2015, 3599)]