289172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:167

約数の個数: 24

約数和(自身を含む): 559776

約数和(自身を除く): 270604

約数列:

[1, 2, 4, 13, 26, 52, 67, 83, 134, 166, 268, 332, 871, 1079, 1742, 2158, 3484, 4316, 5561, 11122, 22244, 72293, 144586, 289172]

約数ペア:

[(1, 289172), (2, 144586), (4, 72293), (13, 22244), (26, 11122), (52, 5561), (67, 4316), (83, 3484), (134, 2158), (166, 1742), (268, 1079), (332, 871)]