128688

素因数分解:

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

素因数の和:401

約数の個数: 40

約数和(自身を含む): 380928

約数和(自身を除く): 252240

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, 2298, 2681, 3064, 4596, 5362, 6128, 8043, 9192, 10724, 16086, 18384, 21448, 32172, 42896, 64344, 128688]

約数ペア:

[(1, 128688), (2, 64344), (3, 42896), (4, 32172), (6, 21448), (7, 18384), (8, 16086), (12, 10724), (14, 9192), (16, 8043), (21, 6128), (24, 5362), (28, 4596), (42, 3064), (48, 2681), (56, 2298), (84, 1532), (112, 1149), (168, 766), (336, 383)]