87763790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{3181}}^1$

素因数の和:3308

約数の個数: 32

約数和(自身を含む): 164954880

約数和(自身を除く): 77191090

約数列:

[1, 2, 5, 10, 31, 62, 89, 155, 178, 310, 445, 890, 2759, 3181, 5518, 6362, 13795, 15905, 27590, 31810, 98611, 197222, 283109, 493055, 566218, 986110, 1415545, 2831090, 8776379, 17552758, 43881895, 87763790]

約数ペア:

[(1, 87763790), (2, 43881895), (5, 17552758), (10, 8776379), (31, 2831090), (62, 1415545), (89, 986110), (155, 566218), (178, 493055), (310, 283109), (445, 197222), (890, 98611), (2759, 31810), (3181, 27590), (5518, 15905), (6362, 13795)]