256143104

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7523}}^1$

素因数の和:7565

約数の個数: 72

約数和(自身を含む): 615162240

約数和(自身を除く): 359019136

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 256, 266, 304, 448, 532, 608, 896, 1064, 1216, 1792, 2128, 2432, 4256, 4864, 7523, 8512, 15046, 17024, 30092, 34048, 52661, 60184, 105322, 120368, 142937, 210644, 240736, 285874, 421288, 481472, 571748, 842576, 962944, 1000559, 1143496, 1685152, 1925888, 2001118, 2286992, 3370304, 4002236, 4573984, 6740608, 8004472, 9147968, 13481216, 16008944, 18295936, 32017888, 36591872, 64035776, 128071552, 256143104]

約数ペア:

[(1, 256143104), (2, 128071552), (4, 64035776), (7, 36591872), (8, 32017888), (14, 18295936), (16, 16008944), (19, 13481216), (28, 9147968), (32, 8004472), (38, 6740608), (56, 4573984), (64, 4002236), (76, 3370304), (112, 2286992), (128, 2001118), (133, 1925888), (152, 1685152), (224, 1143496), (256, 1000559), (266, 962944), (304, 842576), (448, 571748), (532, 481472), (608, 421288), (896, 285874), (1064, 240736), (1216, 210644), (1792, 142937), (2128, 120368), (2432, 105322), (4256, 60184), (4864, 52661), (7523, 34048), (8512, 30092), (15046, 17024)]