8889178090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{218461}}^1$

素因数の和:218794

約数の個数: 32

約数和(自身を含む): 17286461136

約数和(自身を除く): 8397283046

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 313, 626, 1565, 3130, 4069, 8138, 20345, 40690, 218461, 436922, 1092305, 2184610, 2839993, 5679986, 14199965, 28399930, 68378293, 136756586, 341891465, 683782930, 888917809, 1777835618, 4444589045, 8889178090]

約数ペア:

[(1, 8889178090), (2, 4444589045), (5, 1777835618), (10, 888917809), (13, 683782930), (26, 341891465), (65, 136756586), (130, 68378293), (313, 28399930), (626, 14199965), (1565, 5679986), (3130, 2839993), (4069, 2184610), (8138, 1092305), (20345, 436922), (40690, 218461)]