87401951

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 111390720

約数和(自身を除く): 23988769

約数列:

[1, 7, 13, 59, 73, 91, 223, 413, 511, 767, 949, 1561, 2899, 4307, 5369, 6643, 13157, 16279, 20293, 30149, 55991, 92099, 113953, 171041, 211627, 391937, 960461, 1197287, 1481389, 6723227, 12485993, 87401951]

約数ペア:

[(1, 87401951), (7, 12485993), (13, 6723227), (59, 1481389), (73, 1197287), (91, 960461), (223, 391937), (413, 211627), (511, 171041), (767, 113953), (949, 92099), (1561, 55991), (2899, 30149), (4307, 20293), (5369, 16279), (6643, 13157)]