2017199015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{31379}}^1$

素因数の和:31463

約数の個数: 32

約数和(自身を含む): 2783531520

約数和(自身を除く): 766332505

約数列:

[1, 5, 13, 23, 43, 65, 115, 215, 299, 559, 989, 1495, 2795, 4945, 12857, 31379, 64285, 156895, 407927, 721717, 1349297, 2039635, 3608585, 6746485, 9382321, 17540861, 31033831, 46911605, 87704305, 155169155, 403439803, 2017199015]

約数ペア:

[(1, 2017199015), (5, 403439803), (13, 155169155), (23, 87704305), (43, 46911605), (65, 31033831), (115, 17540861), (215, 9382321), (299, 6746485), (559, 3608585), (989, 2039635), (1495, 1349297), (2795, 721717), (4945, 407927), (12857, 156895), (31379, 64285)]