63980144

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{210461}}^1$

素因数の和:210488

約数の個数: 20

約数和(自身を含む): 130486440

約数和(自身を除く): 66506296

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 210461, 420922, 841844, 1683688, 3367376, 3998759, 7997518, 15995036, 31990072, 63980144]

約数ペア:

[(1, 63980144), (2, 31990072), (4, 15995036), (8, 7997518), (16, 3998759), (19, 3367376), (38, 1683688), (76, 841844), (152, 420922), (304, 210461)]