28924805

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{421}}^1$

素因数の和:597

約数の個数: 32

約数和(自身を含む): 43104768

約数和(自身を除く): 14179963

約数列:

[1, 5, 7, 13, 35, 65, 91, 151, 421, 455, 755, 1057, 1963, 2105, 2947, 5285, 5473, 9815, 13741, 14735, 27365, 38311, 63571, 68705, 191555, 317855, 444997, 826423, 2224985, 4132115, 5784961, 28924805]

約数ペア:

[(1, 28924805), (5, 5784961), (7, 4132115), (13, 2224985), (35, 826423), (65, 444997), (91, 317855), (151, 191555), (421, 68705), (455, 63571), (755, 38311), (1057, 27365), (1963, 14735), (2105, 13741), (2947, 9815), (5285, 5473)]