206520197

素因数分解:

${\mathrm{13}}^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:190

約数の個数: 32

約数和(自身を含む): 240817920

約数和(自身を除く): 34297723

約数列:

[1, 13, 23, 61, 67, 169, 299, 793, 871, 1403, 1541, 2197, 3887, 4087, 10309, 11323, 18239, 20033, 50531, 53131, 94001, 134017, 147199, 237107, 260429, 690703, 1222013, 3082391, 3385577, 8979139, 15886169, 206520197]

約数ペア:

[(1, 206520197), (13, 15886169), (23, 8979139), (61, 3385577), (67, 3082391), (169, 1222013), (299, 690703), (793, 260429), (871, 237107), (1403, 147199), (1541, 134017), (2197, 94001), (3887, 53131), (4087, 50531), (10309, 20033), (11323, 18239)]