1981587688

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{113467}}^1$

素因数の和:113569

約数の個数: 32

約数和(自身を含む): 3880605600

約数和(自身を除く): 1899017912

約数列:

[1, 2, 4, 8, 37, 59, 74, 118, 148, 236, 296, 472, 2183, 4366, 8732, 17464, 113467, 226934, 453868, 907736, 4198279, 6694553, 8396558, 13389106, 16793116, 26778212, 33586232, 53556424, 247698461, 495396922, 990793844, 1981587688]

約数ペア:

[(1, 1981587688), (2, 990793844), (4, 495396922), (8, 247698461), (37, 53556424), (59, 33586232), (74, 26778212), (118, 16793116), (148, 13389106), (236, 8396558), (296, 6694553), (472, 4198279), (2183, 907736), (4366, 453868), (8732, 226934), (17464, 113467)]