212357288

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 478288800

約数和(自身を除く): 265931512

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 109, 131, 143, 169, 218, 262, 286, 338, 436, 524, 572, 676, 872, 1048, 1144, 1199, 1352, 1417, 1441, 1703, 1859, 2398, 2834, 2882, 3406, 3718, 4796, 5668, 5764, 6812, 7436, 9592, 11336, 11528, 13624, 14279, 14872, 15587, 18421, 18733, 22139, 28558, 31174, 36842, 37466, 44278, 57116, 62348, 73684, 74932, 88556, 114232, 124696, 147368, 149864, 157069, 177112, 185627, 202631, 243529, 314138, 371254, 405262, 487058, 628276, 742508, 810524, 974116, 1256552, 1485016, 1621048, 1948232, 2041897, 2413151, 4083794, 4826302, 8167588, 9652604, 16335176, 19305208, 26544661, 53089322, 106178644, 212357288]

約数ペア:

[(1, 212357288), (2, 106178644), (4, 53089322), (8, 26544661), (11, 19305208), (13, 16335176), (22, 9652604), (26, 8167588), (44, 4826302), (52, 4083794), (88, 2413151), (104, 2041897), (109, 1948232), (131, 1621048), (143, 1485016), (169, 1256552), (218, 974116), (262, 810524), (286, 742508), (338, 628276), (436, 487058), (524, 405262), (572, 371254), (676, 314138), (872, 243529), (1048, 202631), (1144, 185627), (1199, 177112), (1352, 157069), (1417, 149864), (1441, 147368), (1703, 124696), (1859, 114232), (2398, 88556), (2834, 74932), (2882, 73684), (3406, 62348), (3718, 57116), (4796, 44278), (5668, 37466), (5764, 36842), (6812, 31174), (7436, 28558), (9592, 22139), (11336, 18733), (11528, 18421), (13624, 15587), (14279, 14872)]