123487612

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 234823680

約数和(自身を除く): 111336068

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 181, 188, 191, 362, 382, 724, 764, 893, 1786, 3439, 3572, 3629, 6878, 7258, 8507, 8977, 13756, 14516, 17014, 17954, 34028, 34571, 35908, 69142, 138284, 161633, 170563, 323266, 341126, 646532, 656849, 682252, 1313698, 1624837, 2627396, 3249674, 6499348, 30871903, 61743806, 123487612]

約数ペア:

[(1, 123487612), (2, 61743806), (4, 30871903), (19, 6499348), (38, 3249674), (47, 2627396), (76, 1624837), (94, 1313698), (181, 682252), (188, 656849), (191, 646532), (362, 341126), (382, 323266), (724, 170563), (764, 161633), (893, 138284), (1786, 69142), (3439, 35908), (3572, 34571), (3629, 34028), (6878, 17954), (7258, 17014), (8507, 14516), (8977, 13756)]