7781396

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^2$

素因数の和:121

約数の個数: 54

約数和(自身を含む): 16841790

約数和(自身を除く): 9060394

約数列:

[1, 2, 4, 7, 14, 28, 29, 37, 49, 58, 74, 98, 116, 148, 196, 203, 259, 406, 518, 812, 1036, 1073, 1369, 1421, 1813, 2146, 2738, 2842, 3626, 4292, 5476, 5684, 7252, 7511, 9583, 15022, 19166, 30044, 38332, 39701, 52577, 67081, 79402, 105154, 134162, 158804, 210308, 268324, 277907, 555814, 1111628, 1945349, 3890698, 7781396]

約数ペア:

[(1, 7781396), (2, 3890698), (4, 1945349), (7, 1111628), (14, 555814), (28, 277907), (29, 268324), (37, 210308), (49, 158804), (58, 134162), (74, 105154), (98, 79402), (116, 67081), (148, 52577), (196, 39701), (203, 38332), (259, 30044), (406, 19166), (518, 15022), (812, 9583), (1036, 7511), (1073, 7252), (1369, 5684), (1421, 5476), (1813, 4292), (2146, 3626), (2738, 2842)]