180878828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{269}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 349060320

約数和(自身を除く): 168181492

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 193, 268, 269, 386, 538, 772, 871, 1076, 1742, 2509, 3484, 3497, 5018, 6994, 10036, 12931, 13988, 18023, 25862, 36046, 51724, 51917, 72092, 103834, 168103, 207668, 234299, 336206, 468598, 672412, 674921, 937196, 1349842, 2699684, 3478439, 6956878, 13913756, 45219707, 90439414, 180878828]

約数ペア:

[(1, 180878828), (2, 90439414), (4, 45219707), (13, 13913756), (26, 6956878), (52, 3478439), (67, 2699684), (134, 1349842), (193, 937196), (268, 674921), (269, 672412), (386, 468598), (538, 336206), (772, 234299), (871, 207668), (1076, 168103), (1742, 103834), (2509, 72092), (3484, 51917), (3497, 51724), (5018, 36046), (6994, 25862), (10036, 18023), (12931, 13988)]