637678910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{821}}^1$

素因数の和:1169

約数の個数: 64

約数和(自身を含む): 1312464384

約数和(自身を除く): 674785474

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 307, 506, 614, 821, 1265, 1535, 1642, 2530, 3070, 3377, 4105, 6754, 7061, 8210, 9031, 14122, 16885, 18062, 18883, 33770, 35305, 37766, 45155, 70610, 77671, 90310, 94415, 155342, 188830, 207713, 252047, 388355, 415426, 504094, 776710, 1038565, 1260235, 2077130, 2520470, 2772517, 5545034, 5797081, 11594162, 13862585, 27725170, 28985405, 57970810, 63767891, 127535782, 318839455, 637678910]

約数ペア:

[(1, 637678910), (2, 318839455), (5, 127535782), (10, 63767891), (11, 57970810), (22, 28985405), (23, 27725170), (46, 13862585), (55, 11594162), (110, 5797081), (115, 5545034), (230, 2772517), (253, 2520470), (307, 2077130), (506, 1260235), (614, 1038565), (821, 776710), (1265, 504094), (1535, 415426), (1642, 388355), (2530, 252047), (3070, 207713), (3377, 188830), (4105, 155342), (6754, 94415), (7061, 90310), (8210, 77671), (9031, 70610), (14122, 45155), (16885, 37766), (18062, 35305), (18883, 33770)]