261355812

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{479}}^1\times {\mathrm{1109}}^1$

素因数の和:1636

約数の個数: 48

約数和(自身を含む): 626572800

約数和(自身を除く): 365216988

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 479, 492, 958, 1109, 1437, 1916, 2218, 2874, 3327, 4436, 5748, 6654, 13308, 19639, 39278, 45469, 58917, 78556, 90938, 117834, 136407, 181876, 235668, 272814, 531211, 545628, 1062422, 1593633, 2124844, 3187266, 6374532, 21779651, 43559302, 65338953, 87118604, 130677906, 261355812]

約数ペア:

[(1, 261355812), (2, 130677906), (3, 87118604), (4, 65338953), (6, 43559302), (12, 21779651), (41, 6374532), (82, 3187266), (123, 2124844), (164, 1593633), (246, 1062422), (479, 545628), (492, 531211), (958, 272814), (1109, 235668), (1437, 181876), (1916, 136407), (2218, 117834), (2874, 90938), (3327, 78556), (4436, 58917), (5748, 45469), (6654, 39278), (13308, 19639)]