72804404

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{20201}}^1$

素因数の和:20275

約数の個数: 24

約数和(自身を含む): 137454408

約数和(自身を除く): 64650004

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 212, 901, 1802, 3604, 20201, 40402, 80804, 343417, 686834, 1070653, 1373668, 2141306, 4282612, 18201101, 36402202, 72804404]

約数ペア:

[(1, 72804404), (2, 36402202), (4, 18201101), (17, 4282612), (34, 2141306), (53, 1373668), (68, 1070653), (106, 686834), (212, 343417), (901, 80804), (1802, 40402), (3604, 20201)]