1243915921

素因数分解:

${\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{349}}^1\times {\mathrm{1259}}^1$

素因数の和:1776

約数の個数: 16

約数和(自身を含む): 1323000000

約数和(自身を除く): 79084079

約数列:

[1, 19, 149, 349, 1259, 2831, 6631, 23921, 52001, 187591, 439391, 988019, 3564229, 8348429, 65469259, 1243915921]

約数ペア:

[(1, 1243915921), (19, 65469259), (149, 8348429), (349, 3564229), (1259, 988019), (2831, 439391), (6631, 187591), (23921, 52001)]