26979425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 40176000

約数和(自身を除く): 13196575

約数列:

[1, 5, 11, 17, 25, 29, 55, 85, 145, 187, 199, 275, 319, 425, 493, 725, 935, 995, 1595, 2189, 2465, 3383, 4675, 4975, 5423, 5771, 7975, 10945, 12325, 16915, 27115, 28855, 37213, 54725, 63481, 84575, 98107, 135575, 144275, 186065, 317405, 490535, 930325, 1079177, 1587025, 2452675, 5395885, 26979425]

約数ペア:

[(1, 26979425), (5, 5395885), (11, 2452675), (17, 1587025), (25, 1079177), (29, 930325), (55, 490535), (85, 317405), (145, 186065), (187, 144275), (199, 135575), (275, 98107), (319, 84575), (425, 63481), (493, 54725), (725, 37213), (935, 28855), (995, 27115), (1595, 16915), (2189, 12325), (2465, 10945), (3383, 7975), (4675, 5771), (4975, 5423)]