64879888

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{238529}}^1$

素因数の和:238554

約数の個数: 20

約数和(自身を含む): 133099740

約数和(自身を除く): 68219852

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 238529, 477058, 954116, 1908232, 3816464, 4054993, 8109986, 16219972, 32439944, 64879888]

約数ペア:

[(1, 64879888), (2, 32439944), (4, 16219972), (8, 8109986), (16, 4054993), (17, 3816464), (34, 1908232), (68, 954116), (136, 477058), (272, 238529)]