261881048

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17609}}^1$

素因数の和:17652

約数の個数: 48

約数和(自身を含む): 580073400

約数和(自身を除く): 318192352

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 169, 286, 338, 572, 676, 1144, 1352, 1859, 3718, 7436, 14872, 17609, 35218, 70436, 140872, 193699, 228917, 387398, 457834, 774796, 915668, 1549592, 1831336, 2518087, 2975921, 5036174, 5951842, 10072348, 11903684, 20144696, 23807368, 32735131, 65470262, 130940524, 261881048]

約数ペア:

[(1, 261881048), (2, 130940524), (4, 65470262), (8, 32735131), (11, 23807368), (13, 20144696), (22, 11903684), (26, 10072348), (44, 5951842), (52, 5036174), (88, 2975921), (104, 2518087), (143, 1831336), (169, 1549592), (286, 915668), (338, 774796), (572, 457834), (676, 387398), (1144, 228917), (1352, 193699), (1859, 140872), (3718, 70436), (7436, 35218), (14872, 17609)]