161015426

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:208

約数の個数: 72

約数和(自身を含む): 299077632

約数和(自身を除く): 138062206

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 121, 127, 143, 169, 242, 254, 286, 338, 341, 403, 682, 806, 1397, 1573, 1651, 1859, 2794, 3146, 3302, 3718, 3751, 3937, 4433, 5239, 7502, 7874, 8866, 10478, 15367, 18161, 20449, 21463, 30734, 36322, 40898, 42926, 43307, 48763, 51181, 57629, 86614, 97526, 102362, 115258, 199771, 236093, 399542, 472186, 476377, 562991, 633919, 665353, 952754, 1125982, 1267838, 1330706, 2597023, 5194046, 6192901, 7318883, 12385802, 14637766, 80507713, 161015426]

約数ペア:

[(1, 161015426), (2, 80507713), (11, 14637766), (13, 12385802), (22, 7318883), (26, 6192901), (31, 5194046), (62, 2597023), (121, 1330706), (127, 1267838), (143, 1125982), (169, 952754), (242, 665353), (254, 633919), (286, 562991), (338, 476377), (341, 472186), (403, 399542), (682, 236093), (806, 199771), (1397, 115258), (1573, 102362), (1651, 97526), (1859, 86614), (2794, 57629), (3146, 51181), (3302, 48763), (3718, 43307), (3751, 42926), (3937, 40898), (4433, 36322), (5239, 30734), (7502, 21463), (7874, 20449), (8866, 18161), (10478, 15367)]