266641778

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:411

約数の個数: 48

約数和(自身を含む): 451567872

約数和(自身を除く): 184926094

約数列:

[1, 2, 13, 26, 41, 71, 82, 142, 169, 271, 338, 533, 542, 923, 1066, 1846, 2911, 3523, 5822, 6929, 7046, 11111, 11999, 13858, 19241, 22222, 23998, 37843, 38482, 45799, 75686, 91598, 144443, 250133, 288886, 491959, 500266, 788881, 983918, 1577762, 1877759, 3251729, 3755518, 6503458, 10255453, 20510906, 133320889, 266641778]

約数ペア:

[(1, 266641778), (2, 133320889), (13, 20510906), (26, 10255453), (41, 6503458), (71, 3755518), (82, 3251729), (142, 1877759), (169, 1577762), (271, 983918), (338, 788881), (533, 500266), (542, 491959), (923, 288886), (1066, 250133), (1846, 144443), (2911, 91598), (3523, 75686), (5822, 45799), (6929, 38482), (7046, 37843), (11111, 23998), (11999, 22222), (13858, 19241)]