664266239

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{2357}}^1$

素因数の和:2559

約数の個数: 32

約数和(自身を含む): 866234880

約数和(自身を除く): 201968641

約数列:

[1, 7, 13, 19, 91, 133, 163, 247, 1141, 1729, 2119, 2357, 3097, 14833, 16499, 21679, 30641, 40261, 44783, 214487, 281827, 313481, 384191, 582179, 2689337, 4075253, 4994483, 7299629, 34961381, 51097403, 94895177, 664266239]

約数ペア:

[(1, 664266239), (7, 94895177), (13, 51097403), (19, 34961381), (91, 7299629), (133, 4994483), (163, 4075253), (247, 2689337), (1141, 582179), (1729, 384191), (2119, 313481), (2357, 281827), (3097, 214487), (14833, 44783), (16499, 40261), (21679, 30641)]