388737986

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1423}}^1$

素因数の和:1543

約数の個数: 64

約数和(自身を含む): 765542400

約数和(自身を除く): 376804414

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 79, 91, 133, 158, 182, 247, 266, 494, 553, 1027, 1106, 1423, 1501, 1729, 2054, 2846, 3002, 3458, 7189, 9961, 10507, 14378, 18499, 19513, 19922, 21014, 27037, 36998, 39026, 54074, 112417, 129493, 136591, 189259, 224834, 258986, 273182, 351481, 378518, 702962, 786919, 1461421, 1573838, 2135923, 2460367, 2922842, 4271846, 4920734, 10229947, 14951461, 20459894, 27766999, 29902922, 55533998, 194368993, 388737986]

約数ペア:

[(1, 388737986), (2, 194368993), (7, 55533998), (13, 29902922), (14, 27766999), (19, 20459894), (26, 14951461), (38, 10229947), (79, 4920734), (91, 4271846), (133, 2922842), (158, 2460367), (182, 2135923), (247, 1573838), (266, 1461421), (494, 786919), (553, 702962), (1027, 378518), (1106, 351481), (1423, 273182), (1501, 258986), (1729, 224834), (2054, 189259), (2846, 136591), (3002, 129493), (3458, 112417), (7189, 54074), (9961, 39026), (10507, 36998), (14378, 27037), (18499, 21014), (19513, 19922)]