64986963858

素因数分解:

$2^1\times 3^2\times {\mathrm{21881}}^1\times {\mathrm{165001}}^1$

素因数の和:186890

約数の個数: 24

約数和(自身を含む): 140812376796

約数和(自身を除く): 75825412938

約数列:

[1, 2, 3, 6, 9, 18, 21881, 43762, 65643, 131286, 165001, 196929, 330002, 393858, 495003, 990006, 1485009, 2970018, 3610386881, 7220773762, 10831160643, 21662321286, 32493481929, 64986963858]

約数ペア:

[(1, 64986963858), (2, 32493481929), (3, 21662321286), (6, 10831160643), (9, 7220773762), (18, 3610386881), (21881, 2970018), (43762, 1485009), (65643, 990006), (131286, 495003), (165001, 393858), (196929, 330002)]