220171534

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{1373}}^1$

素因数の和:1620

約数の個数: 32

約数和(自身を含む): 372167136

約数和(自身を除く): 151995602

約数列:

[1, 2, 11, 22, 37, 74, 197, 394, 407, 814, 1373, 2167, 2746, 4334, 7289, 14578, 15103, 30206, 50801, 80179, 101602, 160358, 270481, 540962, 558811, 1117622, 2975291, 5950582, 10007797, 20015594, 110085767, 220171534]

約数ペア:

[(1, 220171534), (2, 110085767), (11, 20015594), (22, 10007797), (37, 5950582), (74, 2975291), (197, 1117622), (394, 558811), (407, 540962), (814, 270481), (1373, 160358), (2167, 101602), (2746, 80179), (4334, 50801), (7289, 30206), (14578, 15103)]