247863329

素因数分解:

$7^1\times {\mathrm{151}}^1\times {\mathrm{421}}^1\times {\mathrm{557}}^1$

素因数の和:1136

約数の個数: 16

約数和(自身を含む): 286338816

約数和(自身を除く): 38475487

約数列:

[1, 7, 151, 421, 557, 1057, 2947, 3899, 63571, 84107, 234497, 444997, 588749, 1641479, 35409047, 247863329]

約数ペア:

[(1, 247863329), (7, 35409047), (151, 1641479), (421, 588749), (557, 444997), (1057, 234497), (2947, 84107), (3899, 63571)]