221210170

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1\times {\mathrm{1601}}^1$

素因数の和:1986

約数の個数: 32

約数和(自身を含む): 409355856

約数和(自身を除く): 188145686

約数列:

[1, 2, 5, 10, 41, 82, 205, 337, 410, 674, 1601, 1685, 3202, 3370, 8005, 13817, 16010, 27634, 65641, 69085, 131282, 138170, 328205, 539537, 656410, 1079074, 2697685, 5395370, 22121017, 44242034, 110605085, 221210170]

約数ペア:

[(1, 221210170), (2, 110605085), (5, 44242034), (10, 22121017), (41, 5395370), (82, 2697685), (205, 1079074), (337, 656410), (410, 539537), (674, 328205), (1601, 138170), (1685, 131282), (3202, 69085), (3370, 65641), (8005, 27634), (13817, 16010)]