81900722

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{569}}^1\times {\mathrm{911}}^1$

素因数の和:1561

約数の個数: 16

約数和(自身を含む): 124761600

約数和(自身を除く): 42860878

約数列:

[1, 2, 79, 158, 569, 911, 1138, 1822, 44951, 71969, 89902, 143938, 518359, 1036718, 40950361, 81900722]

約数ペア:

[(1, 81900722), (2, 40950361), (79, 1036718), (158, 518359), (569, 143938), (911, 89902), (1138, 71969), (1822, 44951)]