66647984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4513}}^1$

素因数の和:4605

約数の個数: 40

約数和(自身を含む): 141053472

約数和(自身を除く): 74405488

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 3692, 4513, 7384, 9026, 14768, 18052, 36104, 58669, 72208, 117338, 234676, 320423, 469352, 640846, 938704, 1281692, 2563384, 4165499, 5126768, 8330998, 16661996, 33323992, 66647984]

約数ペア:

[(1, 66647984), (2, 33323992), (4, 16661996), (8, 8330998), (13, 5126768), (16, 4165499), (26, 2563384), (52, 1281692), (71, 938704), (104, 640846), (142, 469352), (208, 320423), (284, 234676), (568, 117338), (923, 72208), (1136, 58669), (1846, 36104), (3692, 18052), (4513, 14768), (7384, 9026)]