16642210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{409}}^1$

素因数の和:742

約数の個数: 32

約数和(自身を含む): 32442480

約数和(自身を除く): 15800270

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 313, 409, 626, 818, 1565, 2045, 3130, 4069, 4090, 5317, 8138, 10634, 20345, 26585, 40690, 53170, 128017, 256034, 640085, 1280170, 1664221, 3328442, 8321105, 16642210]

約数ペア:

[(1, 16642210), (2, 8321105), (5, 3328442), (10, 1664221), (13, 1280170), (26, 640085), (65, 256034), (130, 128017), (313, 53170), (409, 40690), (626, 26585), (818, 20345), (1565, 10634), (2045, 8138), (3130, 5317), (4069, 4090)]