131409376

素因数分解:

$2^5\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1949}}^1$

素因数の和:2016

約数の個数: 72

約数和(自身を含む): 308107800

約数和(自身を除く): 176698424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 49, 56, 86, 98, 112, 172, 196, 224, 301, 344, 392, 602, 688, 784, 1204, 1376, 1568, 1949, 2107, 2408, 3898, 4214, 4816, 7796, 8428, 9632, 13643, 15592, 16856, 27286, 31184, 33712, 54572, 62368, 67424, 83807, 95501, 109144, 167614, 191002, 218288, 335228, 382004, 436576, 586649, 670456, 764008, 1173298, 1340912, 1528016, 2346596, 2681824, 3056032, 4106543, 4693192, 8213086, 9386384, 16426172, 18772768, 32852344, 65704688, 131409376]

約数ペア:

[(1, 131409376), (2, 65704688), (4, 32852344), (7, 18772768), (8, 16426172), (14, 9386384), (16, 8213086), (28, 4693192), (32, 4106543), (43, 3056032), (49, 2681824), (56, 2346596), (86, 1528016), (98, 1340912), (112, 1173298), (172, 764008), (196, 670456), (224, 586649), (301, 436576), (344, 382004), (392, 335228), (602, 218288), (688, 191002), (784, 167614), (1204, 109144), (1376, 95501), (1568, 83807), (1949, 67424), (2107, 62368), (2408, 54572), (3898, 33712), (4214, 31184), (4816, 27286), (7796, 16856), (8428, 15592), (9632, 13643)]