13909415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 19111680

約数和(自身を除く): 5202265

約数列:

[1, 5, 13, 29, 47, 65, 145, 157, 235, 377, 611, 785, 1363, 1885, 2041, 3055, 4553, 6815, 7379, 10205, 17719, 22765, 36895, 59189, 88595, 95927, 213991, 295945, 479635, 1069955, 2781883, 13909415]

約数ペア:

[(1, 13909415), (5, 2781883), (13, 1069955), (29, 479635), (47, 295945), (65, 213991), (145, 95927), (157, 88595), (235, 59189), (377, 36895), (611, 22765), (785, 17719), (1363, 10205), (1885, 7379), (2041, 6815), (3055, 4553)]