68871790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{941}}^1$

素因数の和:1524

約数の個数: 32

約数和(自身を含む): 133884576

約数和(自身を除く): 65012786

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 563, 941, 1126, 1882, 2815, 4705, 5630, 7319, 9410, 12233, 14638, 24466, 36595, 61165, 73190, 122330, 529783, 1059566, 2648915, 5297830, 6887179, 13774358, 34435895, 68871790]

約数ペア:

[(1, 68871790), (2, 34435895), (5, 13774358), (10, 6887179), (13, 5297830), (26, 2648915), (65, 1059566), (130, 529783), (563, 122330), (941, 73190), (1126, 61165), (1882, 36595), (2815, 24466), (4705, 14638), (5630, 12233), (7319, 9410)]