61543456

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{619}}^1$

素因数の和:881

約数の個数: 48

約数和(自身を含む): 131241600

約数和(自身を除く): 69698144

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 239, 416, 478, 619, 956, 1238, 1912, 2476, 3107, 3824, 4952, 6214, 7648, 8047, 9904, 12428, 16094, 19808, 24856, 32188, 49712, 64376, 99424, 128752, 147941, 257504, 295882, 591764, 1183528, 1923233, 2367056, 3846466, 4734112, 7692932, 15385864, 30771728, 61543456]

約数ペア:

[(1, 61543456), (2, 30771728), (4, 15385864), (8, 7692932), (13, 4734112), (16, 3846466), (26, 2367056), (32, 1923233), (52, 1183528), (104, 591764), (208, 295882), (239, 257504), (416, 147941), (478, 128752), (619, 99424), (956, 64376), (1238, 49712), (1912, 32188), (2476, 24856), (3107, 19808), (3824, 16094), (4952, 12428), (6214, 9904), (7648, 8047)]