1620736607

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{1213}}^1$

素因数の和:1479

約数の個数: 32

約数和(自身を含む): 1989639168

約数和(自身を除く): 368902561

約数列:

[1, 7, 23, 43, 161, 193, 301, 989, 1213, 1351, 4439, 6923, 8299, 8491, 27899, 31073, 52159, 58093, 190877, 195293, 234109, 365113, 1199657, 1336139, 1638763, 5384507, 8397599, 10066687, 37691549, 70466809, 231533801, 1620736607]

約数ペア:

[(1, 1620736607), (7, 231533801), (23, 70466809), (43, 37691549), (161, 10066687), (193, 8397599), (301, 5384507), (989, 1638763), (1213, 1336139), (1351, 1199657), (4439, 365113), (6923, 234109), (8299, 195293), (8491, 190877), (27899, 58093), (31073, 52159)]