256305582

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:538

約数の個数: 96

約数和(自身を含む): 625847040

約数和(自身を除く): 369541458

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 89, 93, 117, 178, 186, 234, 267, 279, 397, 403, 534, 558, 794, 801, 806, 1157, 1191, 1209, 1602, 2314, 2382, 2418, 2759, 3471, 3573, 3627, 5161, 5518, 6942, 7146, 7254, 8277, 10322, 10413, 12307, 15483, 16554, 20826, 24614, 24831, 30966, 35333, 35867, 36921, 46449, 49662, 70666, 71734, 73842, 92898, 105999, 107601, 110763, 159991, 211998, 215202, 221526, 317997, 319982, 322803, 459329, 479973, 635994, 645606, 918658, 959946, 1095323, 1377987, 1439919, 2190646, 2755974, 2879838, 3285969, 4133961, 6571938, 8267922, 9857907, 14239199, 19715814, 28478398, 42717597, 85435194, 128152791, 256305582]

約数ペア:

[(1, 256305582), (2, 128152791), (3, 85435194), (6, 42717597), (9, 28478398), (13, 19715814), (18, 14239199), (26, 9857907), (31, 8267922), (39, 6571938), (62, 4133961), (78, 3285969), (89, 2879838), (93, 2755974), (117, 2190646), (178, 1439919), (186, 1377987), (234, 1095323), (267, 959946), (279, 918658), (397, 645606), (403, 635994), (534, 479973), (558, 459329), (794, 322803), (801, 319982), (806, 317997), (1157, 221526), (1191, 215202), (1209, 211998), (1602, 159991), (2314, 110763), (2382, 107601), (2418, 105999), (2759, 92898), (3471, 73842), (3573, 71734), (3627, 70666), (5161, 49662), (5518, 46449), (6942, 36921), (7146, 35867), (7254, 35333), (8277, 30966), (10322, 24831), (10413, 24614), (12307, 20826), (15483, 16554)]