140481848

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{20161}}^1$

素因数の和:20247

約数の個数: 32

約数和(自身を含む): 287913360

約数和(自身を除く): 147431512

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 3484, 6968, 20161, 40322, 80644, 161288, 262093, 524186, 1048372, 1350787, 2096744, 2701574, 5403148, 10806296, 17560231, 35120462, 70240924, 140481848]

約数ペア:

[(1, 140481848), (2, 70240924), (4, 35120462), (8, 17560231), (13, 10806296), (26, 5403148), (52, 2701574), (67, 2096744), (104, 1350787), (134, 1048372), (268, 524186), (536, 262093), (871, 161288), (1742, 80644), (3484, 40322), (6968, 20161)]