131406964

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{787}}^1$

素因数の和:849

約数の個数: 48

約数和(自身を含む): 262561600

約数和(自身を除く): 131154636

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 494, 676, 787, 988, 1574, 2197, 3148, 3211, 4394, 6422, 8788, 10231, 12844, 14953, 20462, 29906, 40924, 41743, 59812, 83486, 133003, 166972, 194389, 266006, 388778, 532012, 777556, 1729039, 2527057, 3458078, 5054114, 6916156, 10108228, 32851741, 65703482, 131406964]

約数ペア:

[(1, 131406964), (2, 65703482), (4, 32851741), (13, 10108228), (19, 6916156), (26, 5054114), (38, 3458078), (52, 2527057), (76, 1729039), (169, 777556), (247, 532012), (338, 388778), (494, 266006), (676, 194389), (787, 166972), (988, 133003), (1574, 83486), (2197, 59812), (3148, 41743), (3211, 40924), (4394, 29906), (6422, 20462), (8788, 14953), (10231, 12844)]