320611487

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 387072000

約数和(自身を除く): 66460513

約数列:

[1, 7, 47, 59, 83, 199, 329, 413, 581, 1393, 2773, 3901, 4897, 9353, 11741, 16517, 19411, 27307, 34279, 65471, 82187, 115619, 230159, 551827, 776299, 974503, 1611113, 3862789, 5434093, 6821521, 45801641, 320611487]

約数ペア:

[(1, 320611487), (7, 45801641), (47, 6821521), (59, 5434093), (83, 3862789), (199, 1611113), (329, 974503), (413, 776299), (581, 551827), (1393, 230159), (2773, 115619), (3901, 82187), (4897, 65471), (9353, 34279), (11741, 27307), (16517, 19411)]