1278778878

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{61403}}^1$

素因数の和:61513

約数の個数: 48

約数和(自身を含む): 3017392560

約数和(自身を除く): 1738613682

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 89, 117, 178, 234, 267, 534, 801, 1157, 1602, 2314, 3471, 6942, 10413, 20826, 61403, 122806, 184209, 368418, 552627, 798239, 1105254, 1596478, 2394717, 4789434, 5464867, 7184151, 10929734, 14368302, 16394601, 32789202, 49183803, 71043271, 98367606, 142086542, 213129813, 426259626, 639389439, 1278778878]

約数ペア:

[(1, 1278778878), (2, 639389439), (3, 426259626), (6, 213129813), (9, 142086542), (13, 98367606), (18, 71043271), (26, 49183803), (39, 32789202), (78, 16394601), (89, 14368302), (117, 10929734), (178, 7184151), (234, 5464867), (267, 4789434), (534, 2394717), (801, 1596478), (1157, 1105254), (1602, 798239), (2314, 552627), (3471, 368418), (6942, 184209), (10413, 122806), (20826, 61403)]