12642544

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:469

約数の個数: 40

約数和(自身を含む): 25712640

約数和(自身を除く): 13070096

約数列:

[1, 2, 4, 8, 16, 31, 62, 71, 124, 142, 248, 284, 359, 496, 568, 718, 1136, 1436, 2201, 2872, 4402, 5744, 8804, 11129, 17608, 22258, 25489, 35216, 44516, 50978, 89032, 101956, 178064, 203912, 407824, 790159, 1580318, 3160636, 6321272, 12642544]

約数ペア:

[(1, 12642544), (2, 6321272), (4, 3160636), (8, 1580318), (16, 790159), (31, 407824), (62, 203912), (71, 178064), (124, 101956), (142, 89032), (248, 50978), (284, 44516), (359, 35216), (496, 25489), (568, 22258), (718, 17608), (1136, 11129), (1436, 8804), (2201, 5744), (2872, 4402)]