7988398

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{659}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 14256000

約数和(自身を除く): 6267602

約数列:

[1, 2, 11, 19, 22, 29, 38, 58, 209, 319, 418, 551, 638, 659, 1102, 1318, 6061, 7249, 12122, 12521, 14498, 19111, 25042, 38222, 137731, 210221, 275462, 363109, 420442, 726218, 3994199, 7988398]

約数ペア:

[(1, 7988398), (2, 3994199), (11, 726218), (19, 420442), (22, 363109), (29, 275462), (38, 210221), (58, 137731), (209, 38222), (319, 25042), (418, 19111), (551, 14498), (638, 12521), (659, 12122), (1102, 7249), (1318, 6061)]