156978231995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{281}}^1\times {\mathrm{44531}}^1$

素因数の和:45023

約数の個数: 32

約数和(自身を含む): 204645559104

約数和(自身を除く): 47667327109

約数列:

[1, 5, 13, 65, 193, 281, 965, 1405, 2509, 3653, 12545, 18265, 44531, 54233, 222655, 271165, 578903, 705029, 2894515, 3525145, 8594483, 12513211, 42972415, 62566055, 111728279, 162671743, 558641395, 813358715, 2415049723, 12075248615, 31395646399, 156978231995]

約数ペア:

[(1, 156978231995), (5, 31395646399), (13, 12075248615), (65, 2415049723), (193, 813358715), (281, 558641395), (965, 162671743), (1405, 111728279), (2509, 62566055), (3653, 42972415), (12545, 12513211), (18265, 8594483), (44531, 3525145), (54233, 2894515), (222655, 705029), (271165, 578903)]