204664434

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 455347200

約数和(自身を除く): 250682766

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 139, 258, 278, 417, 439, 559, 834, 878, 1118, 1317, 1677, 1807, 2634, 3354, 3614, 5421, 5707, 5977, 10842, 11414, 11954, 17121, 17931, 18877, 34242, 35862, 37754, 56631, 61021, 77701, 113262, 122042, 155402, 183063, 233103, 245401, 366126, 466206, 490802, 736203, 793273, 1472406, 1586546, 2379819, 2623903, 4759638, 5247806, 7871709, 15743418, 34110739, 68221478, 102332217, 204664434]

約数ペア:

[(1, 204664434), (2, 102332217), (3, 68221478), (6, 34110739), (13, 15743418), (26, 7871709), (39, 5247806), (43, 4759638), (78, 2623903), (86, 2379819), (129, 1586546), (139, 1472406), (258, 793273), (278, 736203), (417, 490802), (439, 466206), (559, 366126), (834, 245401), (878, 233103), (1118, 183063), (1317, 155402), (1677, 122042), (1807, 113262), (2634, 77701), (3354, 61021), (3614, 56631), (5421, 37754), (5707, 35862), (5977, 34242), (10842, 18877), (11414, 17931), (11954, 17121)]