552456890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{12821}}^1$

素因数の和:12998

約数の個数: 32

約数和(自身を含む): 1033966080

約数和(自身を除く): 481509190

約数列:

[1, 2, 5, 10, 31, 62, 139, 155, 278, 310, 695, 1390, 4309, 8618, 12821, 21545, 25642, 43090, 64105, 128210, 397451, 794902, 1782119, 1987255, 3564238, 3974510, 8910595, 17821190, 55245689, 110491378, 276228445, 552456890]

約数ペア:

[(1, 552456890), (2, 276228445), (5, 110491378), (10, 55245689), (31, 17821190), (62, 8910595), (139, 3974510), (155, 3564238), (278, 1987255), (310, 1782119), (695, 794902), (1390, 397451), (4309, 128210), (8618, 64105), (12821, 43090), (21545, 25642)]