201689191

素因数分解:

${\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1\times {\mathrm{571}}^1$

素因数の和:942

約数の個数: 16

約数和(自身を含む): 222887808

約数和(自身を除く): 21198617

約数列:

[1, 11, 163, 197, 571, 1793, 2167, 6281, 32111, 93073, 112487, 353221, 1023803, 1237357, 18335381, 201689191]

約数ペア:

[(1, 201689191), (11, 18335381), (163, 1237357), (197, 1023803), (571, 353221), (1793, 112487), (2167, 93073), (6281, 32111)]