30771728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{619}}^1$

素因数の和:879

約数の個数: 40

約数和(自身を含む): 64579200

約数和(自身を除く): 33807472

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 239, 478, 619, 956, 1238, 1912, 2476, 3107, 3824, 4952, 6214, 8047, 9904, 12428, 16094, 24856, 32188, 49712, 64376, 128752, 147941, 295882, 591764, 1183528, 1923233, 2367056, 3846466, 7692932, 15385864, 30771728]

約数ペア:

[(1, 30771728), (2, 15385864), (4, 7692932), (8, 3846466), (13, 2367056), (16, 1923233), (26, 1183528), (52, 591764), (104, 295882), (208, 147941), (239, 128752), (478, 64376), (619, 49712), (956, 32188), (1238, 24856), (1912, 16094), (2476, 12428), (3107, 9904), (3824, 8047), (4952, 6214)]