81250364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{23321}}^1$

素因数の和:23405

約数の個数: 24

約数和(自身を含む): 155417808

約数和(自身を除く): 74167444

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 23321, 46642, 93284, 303173, 606346, 1212692, 1562507, 3125014, 6250028, 20312591, 40625182, 81250364]

約数ペア:

[(1, 81250364), (2, 40625182), (4, 20312591), (13, 6250028), (26, 3125014), (52, 1562507), (67, 1212692), (134, 606346), (268, 303173), (871, 93284), (1742, 46642), (3484, 23321)]