1378790996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{449}}^1\times {\mathrm{691}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 2668075200

約数和(自身を除く): 1289284204

約数列:

[1, 2, 4, 11, 22, 44, 101, 202, 404, 449, 691, 898, 1111, 1382, 1796, 2222, 2764, 4444, 4939, 7601, 9878, 15202, 19756, 30404, 45349, 69791, 90698, 139582, 181396, 279164, 310259, 498839, 620518, 767701, 997678, 1241036, 1535402, 1995356, 3070804, 3412849, 6825698, 13651396, 31336159, 62672318, 125344636, 344697749, 689395498, 1378790996]

約数ペア:

[(1, 1378790996), (2, 689395498), (4, 344697749), (11, 125344636), (22, 62672318), (44, 31336159), (101, 13651396), (202, 6825698), (404, 3412849), (449, 3070804), (691, 1995356), (898, 1535402), (1111, 1241036), (1382, 997678), (1796, 767701), (2222, 620518), (2764, 498839), (4444, 310259), (4939, 279164), (7601, 181396), (9878, 139582), (15202, 90698), (19756, 69791), (30404, 45349)]