1645206890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1303}}^1\times {\mathrm{4073}}^1$

素因数の和:5414

約数の個数: 32

約数和(自身を含む): 3059997696

約数和(自身を除く): 1414790806

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 1303, 2606, 4073, 6515, 8146, 13030, 20365, 40393, 40730, 80786, 126263, 201965, 252526, 403930, 631315, 1262630, 5307119, 10614238, 26535595, 53071190, 164520689, 329041378, 822603445, 1645206890]

約数ペア:

[(1, 1645206890), (2, 822603445), (5, 329041378), (10, 164520689), (31, 53071190), (62, 26535595), (155, 10614238), (310, 5307119), (1303, 1262630), (2606, 631315), (4073, 403930), (6515, 252526), (8146, 201965), (13030, 126263), (20365, 80786), (40393, 40730)]