391656455

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{2693}}^1$

素因数の和:2803

約数の個数: 32

約数和(自身を含む): 523713600

約数和(自身を除く): 132057145

約数列:

[1, 5, 17, 29, 59, 85, 145, 295, 493, 1003, 1711, 2465, 2693, 5015, 8555, 13465, 29087, 45781, 78097, 145435, 158887, 228905, 390485, 794435, 1327649, 2701079, 4607723, 6638245, 13505395, 23038615, 78331291, 391656455]

約数ペア:

[(1, 391656455), (5, 78331291), (17, 23038615), (29, 13505395), (59, 6638245), (85, 4607723), (145, 2701079), (295, 1327649), (493, 794435), (1003, 390485), (1711, 228905), (2465, 158887), (2693, 145435), (5015, 78097), (8555, 45781), (13465, 29087)]