28109585

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{397}}^1$

素因数の和:450

約数の個数: 36

約数和(自身を含む): 41787612

約数和(自身を除く): 13678027

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 289, 397, 595, 833, 1445, 1985, 2023, 2779, 4165, 6749, 10115, 13895, 14161, 19453, 33745, 47243, 70805, 97265, 114733, 236215, 330701, 573665, 803131, 1653505, 4015655, 5621917, 28109585]

約数ペア:

[(1, 28109585), (5, 5621917), (7, 4015655), (17, 1653505), (35, 803131), (49, 573665), (85, 330701), (119, 236215), (245, 114733), (289, 97265), (397, 70805), (595, 47243), (833, 33745), (1445, 19453), (1985, 14161), (2023, 13895), (2779, 10115), (4165, 6749)]