39931990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{5881}}^1$

素因数の和:5992

約数の個数: 32

約数和(自身を含む): 83006784

約数和(自身を除く): 43074794

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 97, 194, 485, 679, 970, 1358, 3395, 5881, 6790, 11762, 29405, 41167, 58810, 82334, 205835, 411670, 570457, 1140914, 2852285, 3993199, 5704570, 7986398, 19965995, 39931990]

約数ペア:

[(1, 39931990), (2, 19965995), (5, 7986398), (7, 5704570), (10, 3993199), (14, 2852285), (35, 1140914), (70, 570457), (97, 411670), (194, 205835), (485, 82334), (679, 58810), (970, 41167), (1358, 29405), (3395, 11762), (5881, 6790)]