1999824911

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1\times {\mathrm{523}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 2408153088

約数和(自身を除く): 408328177

約数列:

[1, 7, 31, 67, 217, 263, 469, 523, 1841, 2077, 3661, 8153, 14539, 16213, 17621, 35041, 57071, 113491, 123347, 137549, 245287, 546251, 962843, 1086271, 3823757, 4264019, 7603897, 9215783, 29848133, 64510481, 285689273, 1999824911]

約数ペア:

[(1, 1999824911), (7, 285689273), (31, 64510481), (67, 29848133), (217, 9215783), (263, 7603897), (469, 4264019), (523, 3823757), (1841, 1086271), (2077, 962843), (3661, 546251), (8153, 245287), (14539, 137549), (16213, 123347), (17621, 113491), (35041, 57071)]