261855684

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{177409}}^1$

素因数の和:177460

約数の個数: 36

約数和(自身を含む): 678061020

約数和(自身を除く): 416205336

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 738, 1476, 177409, 354818, 532227, 709636, 1064454, 1596681, 2128908, 3193362, 6386724, 7273769, 14547538, 21821307, 29095076, 43642614, 65463921, 87285228, 130927842, 261855684]

約数ペア:

[(1, 261855684), (2, 130927842), (3, 87285228), (4, 65463921), (6, 43642614), (9, 29095076), (12, 21821307), (18, 14547538), (36, 7273769), (41, 6386724), (82, 3193362), (123, 2128908), (164, 1596681), (246, 1064454), (369, 709636), (492, 532227), (738, 354818), (1476, 177409)]