638830070

素因数分解:

$2^1\times 5^1\times {\mathrm{1487}}^1\times {\mathrm{42961}}^1$

素因数の和:44455

約数の個数: 16

約数和(自身を含む): 1150694208

約数和(自身を除く): 511864138

約数列:

[1, 2, 5, 10, 1487, 2974, 7435, 14870, 42961, 85922, 214805, 429610, 63883007, 127766014, 319415035, 638830070]

約数ペア:

[(1, 638830070), (2, 319415035), (5, 127766014), (10, 63883007), (1487, 429610), (2974, 214805), (7435, 85922), (14870, 42961)]