28725172

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 63862344

約数和(自身を除く): 35137172

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 37, 49, 68, 74, 98, 119, 148, 196, 233, 238, 259, 466, 476, 518, 629, 833, 932, 1036, 1258, 1631, 1666, 1813, 2516, 3262, 3332, 3626, 3961, 4403, 6524, 7252, 7922, 8621, 8806, 11417, 15844, 17242, 17612, 22834, 27727, 30821, 34484, 45668, 55454, 60347, 61642, 110908, 120694, 123284, 146557, 194089, 241388, 293114, 388178, 422429, 586228, 776356, 844858, 1025899, 1689716, 2051798, 4103596, 7181293, 14362586, 28725172]

約数ペア:

[(1, 28725172), (2, 14362586), (4, 7181293), (7, 4103596), (14, 2051798), (17, 1689716), (28, 1025899), (34, 844858), (37, 776356), (49, 586228), (68, 422429), (74, 388178), (98, 293114), (119, 241388), (148, 194089), (196, 146557), (233, 123284), (238, 120694), (259, 110908), (466, 61642), (476, 60347), (518, 55454), (629, 45668), (833, 34484), (932, 30821), (1036, 27727), (1258, 22834), (1631, 17612), (1666, 17242), (1813, 15844), (2516, 11417), (3262, 8806), (3332, 8621), (3626, 7922), (3961, 7252), (4403, 6524)]