12787684

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 29682240

約数和(自身を除く): 16894556

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 43, 52, 76, 86, 91, 133, 172, 182, 247, 266, 301, 364, 494, 532, 559, 602, 817, 988, 1118, 1204, 1634, 1729, 1849, 2236, 3268, 3458, 3698, 3913, 5719, 6916, 7396, 7826, 10621, 11438, 12943, 15652, 21242, 22876, 24037, 25886, 35131, 42484, 48074, 51772, 70262, 74347, 96148, 140524, 148694, 168259, 245917, 297388, 336518, 456703, 491834, 673036, 913406, 983668, 1826812, 3196921, 6393842, 12787684]

約数ペア:

[(1, 12787684), (2, 6393842), (4, 3196921), (7, 1826812), (13, 983668), (14, 913406), (19, 673036), (26, 491834), (28, 456703), (38, 336518), (43, 297388), (52, 245917), (76, 168259), (86, 148694), (91, 140524), (133, 96148), (172, 74347), (182, 70262), (247, 51772), (266, 48074), (301, 42484), (364, 35131), (494, 25886), (532, 24037), (559, 22876), (602, 21242), (817, 15652), (988, 12943), (1118, 11438), (1204, 10621), (1634, 7826), (1729, 7396), (1849, 6916), (2236, 5719), (3268, 3913), (3458, 3698)]