1789249072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{4549}}^1$

素因数の和:4662

約数の個数: 80

約数和(自身を含む): 3917804800

約数和(自身を除く): 2128555728

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 61, 62, 104, 122, 124, 208, 244, 248, 403, 488, 496, 793, 806, 976, 1586, 1612, 1891, 3172, 3224, 3782, 4549, 6344, 6448, 7564, 9098, 12688, 15128, 18196, 24583, 30256, 36392, 49166, 59137, 72784, 98332, 118274, 141019, 196664, 236548, 277489, 282038, 393328, 473096, 554978, 564076, 946192, 1109956, 1128152, 1833247, 2219912, 2256304, 3607357, 3666494, 4439824, 7214714, 7332988, 8602159, 14429428, 14665976, 17204318, 28858856, 29331952, 34408636, 57717712, 68817272, 111828067, 137634544, 223656134, 447312268, 894624536, 1789249072]

約数ペア:

[(1, 1789249072), (2, 894624536), (4, 447312268), (8, 223656134), (13, 137634544), (16, 111828067), (26, 68817272), (31, 57717712), (52, 34408636), (61, 29331952), (62, 28858856), (104, 17204318), (122, 14665976), (124, 14429428), (208, 8602159), (244, 7332988), (248, 7214714), (403, 4439824), (488, 3666494), (496, 3607357), (793, 2256304), (806, 2219912), (976, 1833247), (1586, 1128152), (1612, 1109956), (1891, 946192), (3172, 564076), (3224, 554978), (3782, 473096), (4549, 393328), (6344, 282038), (6448, 277489), (7564, 236548), (9098, 196664), (12688, 141019), (15128, 118274), (18196, 98332), (24583, 72784), (30256, 59137), (36392, 49166)]