1214867521

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{123701}}^1$

素因数の和:123792

約数の個数: 16

約数和(自身を含む): 1472548608

約数和(自身を除く): 257681087

約数列:

[1, 7, 23, 61, 161, 427, 1403, 9821, 123701, 865907, 2845123, 7545761, 19915861, 52820327, 173552503, 1214867521]

約数ペア:

[(1, 1214867521), (7, 173552503), (23, 52820327), (61, 19915861), (161, 7545761), (427, 2845123), (1403, 865907), (9821, 123701)]