253904714

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{977}}^2$

素因数の和:1982

約数の個数: 24

約数和(自身を含む): 458643360

約数和(自身を除く): 204738646

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 977, 1954, 6839, 13678, 18563, 37126, 129941, 259882, 954529, 1909058, 6681703, 13363406, 18136051, 36272102, 126952357, 253904714]

約数ペア:

[(1, 253904714), (2, 126952357), (7, 36272102), (14, 18136051), (19, 13363406), (38, 6681703), (133, 1909058), (266, 954529), (977, 259882), (1954, 129941), (6839, 37126), (13678, 18563)]