138888946

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{20123}}^1$

素因数の和:20178

約数の個数: 32

約数和(自身を含む): 260807040

約数和(自身を除く): 121918094

約数列:

[1, 2, 7, 14, 17, 29, 34, 58, 119, 203, 238, 406, 493, 986, 3451, 6902, 20123, 40246, 140861, 281722, 342091, 583567, 684182, 1167134, 2394637, 4084969, 4789274, 8169938, 9920639, 19841278, 69444473, 138888946]

約数ペア:

[(1, 138888946), (2, 69444473), (7, 19841278), (14, 9920639), (17, 8169938), (29, 4789274), (34, 4084969), (58, 2394637), (119, 1167134), (203, 684182), (238, 583567), (406, 342091), (493, 281722), (986, 140861), (3451, 40246), (6902, 20123)]