74874644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{21491}}^1$

素因数の和:21575

約数の個数: 24

約数和(自身を含む): 143222688

約数和(自身を除く): 68348044

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 21491, 42982, 85964, 279383, 558766, 1117532, 1439897, 2879794, 5759588, 18718661, 37437322, 74874644]

約数ペア:

[(1, 74874644), (2, 37437322), (4, 18718661), (13, 5759588), (26, 2879794), (52, 1439897), (67, 1117532), (134, 558766), (268, 279383), (871, 85964), (1742, 42982), (3484, 21491)]