97217281

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 121651200

約数和(自身を除く): 24433919

約数列:

[1, 7, 19, 43, 89, 133, 191, 301, 623, 817, 1337, 1691, 3629, 3827, 5719, 8213, 11837, 16999, 25403, 26789, 57491, 72713, 118993, 156047, 322981, 508991, 730957, 1092329, 2260867, 5116699, 13888183, 97217281]

約数ペア:

[(1, 97217281), (7, 13888183), (19, 5116699), (43, 2260867), (89, 1092329), (133, 730957), (191, 508991), (301, 322981), (623, 156047), (817, 118993), (1337, 72713), (1691, 57491), (3629, 26789), (3827, 25403), (5719, 16999), (8213, 11837)]