831039568

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{839}}^1\times {\mathrm{1997}}^1$

素因数の和:2875

約数の個数: 40

約数和(自身を含む): 1664893440

約数和(自身を除く): 833853872

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 839, 1678, 1997, 3356, 3994, 6712, 7988, 13424, 15976, 26009, 31952, 52018, 61907, 104036, 123814, 208072, 247628, 416144, 495256, 990512, 1675483, 3350966, 6701932, 13403864, 26807728, 51939973, 103879946, 207759892, 415519784, 831039568]

約数ペア:

[(1, 831039568), (2, 415519784), (4, 207759892), (8, 103879946), (16, 51939973), (31, 26807728), (62, 13403864), (124, 6701932), (248, 3350966), (496, 1675483), (839, 990512), (1678, 495256), (1997, 416144), (3356, 247628), (3994, 208072), (6712, 123814), (7988, 104036), (13424, 61907), (15976, 52018), (26009, 31952)]