12728870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 29140992

約数和(自身を除く): 16412122

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 61, 70, 77, 110, 122, 154, 271, 305, 385, 427, 542, 610, 671, 770, 854, 1342, 1355, 1897, 2135, 2710, 2981, 3355, 3794, 4270, 4697, 5962, 6710, 9394, 9485, 14905, 16531, 18970, 20867, 23485, 29810, 33062, 41734, 46970, 82655, 104335, 115717, 165310, 181841, 208670, 231434, 363682, 578585, 909205, 1157170, 1272887, 1818410, 2545774, 6364435, 12728870]

約数ペア:

[(1, 12728870), (2, 6364435), (5, 2545774), (7, 1818410), (10, 1272887), (11, 1157170), (14, 909205), (22, 578585), (35, 363682), (55, 231434), (61, 208670), (70, 181841), (77, 165310), (110, 115717), (122, 104335), (154, 82655), (271, 46970), (305, 41734), (385, 33062), (427, 29810), (542, 23485), (610, 20867), (671, 18970), (770, 16531), (854, 14905), (1342, 9485), (1355, 9394), (1897, 6710), (2135, 5962), (2710, 4697), (2981, 4270), (3355, 3794)]