393399214

素因数分解:

$2^1\times {\mathrm{13}}^4\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:222

約数の個数: 40

約数和(自身を含む): 654959088

約数和(自身を除く): 261559874

約数列:

[1, 2, 13, 26, 71, 97, 142, 169, 194, 338, 923, 1261, 1846, 2197, 2522, 4394, 6887, 11999, 13774, 16393, 23998, 28561, 32786, 57122, 89531, 155987, 179062, 213109, 311974, 426218, 1163903, 2027831, 2327806, 2770417, 4055662, 5540834, 15130739, 30261478, 196699607, 393399214]

約数ペア:

[(1, 393399214), (2, 196699607), (13, 30261478), (26, 15130739), (71, 5540834), (97, 4055662), (142, 2770417), (169, 2327806), (194, 2027831), (338, 1163903), (923, 426218), (1261, 311974), (1846, 213109), (2197, 179062), (2522, 155987), (4394, 89531), (6887, 57122), (11999, 32786), (13774, 28561), (16393, 23998)]