128162988

素因数分解:

$2^2\times 3^2\times {\mathrm{163}}^1\times {\mathrm{21841}}^1$

素因数の和:22014

約数の個数: 36

約数和(自身を含む): 325970008

約数和(自身を除く): 197807020

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 163, 326, 489, 652, 978, 1467, 1956, 2934, 5868, 21841, 43682, 65523, 87364, 131046, 196569, 262092, 393138, 786276, 3560083, 7120166, 10680249, 14240332, 21360498, 32040747, 42720996, 64081494, 128162988]

約数ペア:

[(1, 128162988), (2, 64081494), (3, 42720996), (4, 32040747), (6, 21360498), (9, 14240332), (12, 10680249), (18, 7120166), (36, 3560083), (163, 786276), (326, 393138), (489, 262092), (652, 196569), (978, 131046), (1467, 87364), (1956, 65523), (2934, 43682), (5868, 21841)]