12641408

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 27760320

約数和(自身を除く): 15118912

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 71, 104, 107, 128, 142, 208, 214, 284, 416, 428, 568, 832, 856, 923, 1136, 1391, 1664, 1712, 1846, 2272, 2782, 3424, 3692, 4544, 5564, 6848, 7384, 7597, 9088, 11128, 13696, 14768, 15194, 22256, 29536, 30388, 44512, 59072, 60776, 89024, 98761, 118144, 121552, 178048, 197522, 243104, 395044, 486208, 790088, 972416, 1580176, 3160352, 6320704, 12641408]

約数ペア:

[(1, 12641408), (2, 6320704), (4, 3160352), (8, 1580176), (13, 972416), (16, 790088), (26, 486208), (32, 395044), (52, 243104), (64, 197522), (71, 178048), (104, 121552), (107, 118144), (128, 98761), (142, 89024), (208, 60776), (214, 59072), (284, 44512), (416, 30388), (428, 29536), (568, 22256), (832, 15194), (856, 14768), (923, 13696), (1136, 11128), (1391, 9088), (1664, 7597), (1712, 7384), (1846, 6848), (2272, 5564), (2782, 4544), (3424, 3692)]