256989936

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{1997}}^1$

素因数の和:2398

約数の個数: 80

約数和(自身を含む): 761094144

約数和(自身を除く): 504104208

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 383, 766, 1149, 1532, 1997, 2298, 2681, 3064, 3994, 4596, 5362, 5991, 6128, 7988, 8043, 9192, 10724, 11982, 13979, 15976, 16086, 18384, 21448, 23964, 27958, 31952, 32172, 41937, 42896, 47928, 55916, 64344, 83874, 95856, 111832, 128688, 167748, 223664, 335496, 670992, 764851, 1529702, 2294553, 3059404, 4589106, 5353957, 6118808, 9178212, 10707914, 12237616, 16061871, 18356424, 21415828, 32123742, 36712848, 42831656, 64247484, 85663312, 128494968, 256989936]

約数ペア:

[(1, 256989936), (2, 128494968), (3, 85663312), (4, 64247484), (6, 42831656), (7, 36712848), (8, 32123742), (12, 21415828), (14, 18356424), (16, 16061871), (21, 12237616), (24, 10707914), (28, 9178212), (42, 6118808), (48, 5353957), (56, 4589106), (84, 3059404), (112, 2294553), (168, 1529702), (336, 764851), (383, 670992), (766, 335496), (1149, 223664), (1532, 167748), (1997, 128688), (2298, 111832), (2681, 95856), (3064, 83874), (3994, 64344), (4596, 55916), (5362, 47928), (5991, 42896), (6128, 41937), (7988, 32172), (8043, 31952), (9192, 27958), (10724, 23964), (11982, 21448), (13979, 18384), (15976, 16086)]