644365010

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2801587}}^1$

素因数の和:2801617

約数の個数: 16

約数和(自身を含む): 1210286016

約数和(自身を除く): 565921006

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 2801587, 5603174, 14007935, 28015870, 64436501, 128873002, 322182505, 644365010]

約数ペア:

[(1, 644365010), (2, 322182505), (5, 128873002), (10, 64436501), (23, 28015870), (46, 14007935), (115, 5603174), (230, 2801587)]