219476894

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{7681}}^1$

素因数の和:7860

約数の個数: 32

約数和(自身を含む): 407822016

約数和(自身を除く): 188345122

約数列:

[1, 2, 7, 13, 14, 26, 91, 157, 182, 314, 1099, 2041, 2198, 4082, 7681, 14287, 15362, 28574, 53767, 99853, 107534, 199706, 698971, 1205917, 1397942, 2411834, 8441419, 15676921, 16882838, 31353842, 109738447, 219476894]

約数ペア:

[(1, 219476894), (2, 109738447), (7, 31353842), (13, 16882838), (14, 15676921), (26, 8441419), (91, 2411834), (157, 1397942), (182, 1205917), (314, 698971), (1099, 199706), (2041, 107534), (2198, 99853), (4082, 53767), (7681, 28574), (14287, 15362)]