289069312

素因数分解:

$2^8\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1663}}^1$

素因数の和:1783

約数の個数: 72

約数和(自身を含む): 666638336

約数和(自身を除く): 377569024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 97, 112, 128, 194, 224, 256, 388, 448, 679, 776, 896, 1358, 1552, 1663, 1792, 2716, 3104, 3326, 5432, 6208, 6652, 10864, 11641, 12416, 13304, 21728, 23282, 24832, 26608, 43456, 46564, 53216, 86912, 93128, 106432, 161311, 173824, 186256, 212864, 322622, 372512, 425728, 645244, 745024, 1129177, 1290488, 1490048, 2258354, 2580976, 2980096, 4516708, 5161952, 9033416, 10323904, 18066832, 20647808, 36133664, 41295616, 72267328, 144534656, 289069312]

約数ペア:

[(1, 289069312), (2, 144534656), (4, 72267328), (7, 41295616), (8, 36133664), (14, 20647808), (16, 18066832), (28, 10323904), (32, 9033416), (56, 5161952), (64, 4516708), (97, 2980096), (112, 2580976), (128, 2258354), (194, 1490048), (224, 1290488), (256, 1129177), (388, 745024), (448, 645244), (679, 425728), (776, 372512), (896, 322622), (1358, 212864), (1552, 186256), (1663, 173824), (1792, 161311), (2716, 106432), (3104, 93128), (3326, 86912), (5432, 53216), (6208, 46564), (6652, 43456), (10864, 26608), (11641, 24832), (12416, 23282), (13304, 21728)]