15940999984

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10948489}}^1$

素因数の和:10948517

約数の個数: 40

約数和(自身を含む): 38013157280

約数和(自身を除く): 22072157296

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 10948489, 21896978, 43793956, 76639423, 87587912, 142330357, 153278846, 175175824, 284660714, 306557692, 569321428, 613115384, 996312499, 1138642856, 1226230768, 1992624998, 2277285712, 3985249996, 7970499992, 15940999984]

約数ペア:

[(1, 15940999984), (2, 7970499992), (4, 3985249996), (7, 2277285712), (8, 1992624998), (13, 1226230768), (14, 1138642856), (16, 996312499), (26, 613115384), (28, 569321428), (52, 306557692), (56, 284660714), (91, 175175824), (104, 153278846), (112, 142330357), (182, 87587912), (208, 76639423), (364, 43793956), (728, 21896978), (1456, 10948489)]