261815008

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89909}}^1$

素因数の和:89939

約数の個数: 48

約数和(自身を含む): 634404960

約数和(自身を除く): 372589952

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 89909, 179818, 359636, 629363, 719272, 1168817, 1258726, 1438544, 2337634, 2517452, 2877088, 4675268, 5034904, 8181719, 9350536, 10069808, 16363438, 18701072, 20139616, 32726876, 37402144, 65453752, 130907504, 261815008]

約数ペア:

[(1, 261815008), (2, 130907504), (4, 65453752), (7, 37402144), (8, 32726876), (13, 20139616), (14, 18701072), (16, 16363438), (26, 10069808), (28, 9350536), (32, 8181719), (52, 5034904), (56, 4675268), (91, 2877088), (104, 2517452), (112, 2337634), (182, 1438544), (208, 1258726), (224, 1168817), (364, 719272), (416, 629363), (728, 359636), (1456, 179818), (2912, 89909)]