28190204

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 58968000

約数和(自身を除く): 30777796

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 149, 203, 233, 298, 406, 466, 596, 812, 932, 1043, 1631, 2086, 3262, 4172, 4321, 6524, 6757, 8642, 13514, 17284, 27028, 30247, 34717, 47299, 60494, 69434, 94598, 120988, 138868, 189196, 243019, 486038, 972076, 1006793, 2013586, 4027172, 7047551, 14095102, 28190204]

約数ペア:

[(1, 28190204), (2, 14095102), (4, 7047551), (7, 4027172), (14, 2013586), (28, 1006793), (29, 972076), (58, 486038), (116, 243019), (149, 189196), (203, 138868), (233, 120988), (298, 94598), (406, 69434), (466, 60494), (596, 47299), (812, 34717), (932, 30247), (1043, 27028), (1631, 17284), (2086, 13514), (3262, 8642), (4172, 6757), (4321, 6524)]