1389336190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{30881}}^1$

素因数の和:31308

約数の個数: 32

約数和(自身を含む): 2734909920

約数和(自身を除く): 1345573730

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 409, 818, 2045, 4090, 4499, 8998, 22495, 30881, 44990, 61762, 154405, 308810, 339691, 679382, 1698455, 3396910, 12630329, 25260658, 63151645, 126303290, 138933619, 277867238, 694668095, 1389336190]

約数ペア:

[(1, 1389336190), (2, 694668095), (5, 277867238), (10, 138933619), (11, 126303290), (22, 63151645), (55, 25260658), (110, 12630329), (409, 3396910), (818, 1698455), (2045, 679382), (4090, 339691), (4499, 308810), (8998, 154405), (22495, 61762), (30881, 44990)]