256903199

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1549}}^1$

素因数の和:1647

約数の個数: 32

約数和(自身を含む): 327360000

約数和(自身を除く): 70456801

約数列:

[1, 7, 19, 29, 43, 133, 203, 301, 551, 817, 1247, 1549, 3857, 5719, 8729, 10843, 23693, 29431, 44921, 66607, 165851, 206017, 314447, 466249, 853499, 1265533, 1931603, 5974493, 8858731, 13521221, 36700457, 256903199]

約数ペア:

[(1, 256903199), (7, 36700457), (19, 13521221), (29, 8858731), (43, 5974493), (133, 1931603), (203, 1265533), (301, 853499), (551, 466249), (817, 314447), (1247, 206017), (1549, 165851), (3857, 66607), (5719, 44921), (8729, 29431), (10843, 23693)]