127980908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^2\times {\mathrm{577}}^1$

素因数の和:734

約数の個数: 36

約数和(自身を含む): 248246376

約数和(自身を除く): 120265468

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 577, 781, 1154, 1562, 2308, 3124, 5041, 6347, 10082, 12694, 20164, 25388, 40967, 55451, 81934, 110902, 163868, 221804, 450637, 901274, 1802548, 2908657, 5817314, 11634628, 31995227, 63990454, 127980908]

約数ペア:

[(1, 127980908), (2, 63990454), (4, 31995227), (11, 11634628), (22, 5817314), (44, 2908657), (71, 1802548), (142, 901274), (284, 450637), (577, 221804), (781, 163868), (1154, 110902), (1562, 81934), (2308, 55451), (3124, 40967), (5041, 25388), (6347, 20164), (10082, 12694)]