28691824

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:270

約数の個数: 80

約数和(自身を含む): 68051200

約数和(自身を除く): 39359376

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 97, 112, 133, 139, 152, 194, 266, 278, 304, 388, 532, 556, 679, 776, 973, 1064, 1112, 1358, 1552, 1843, 1946, 2128, 2224, 2641, 2716, 3686, 3892, 5282, 5432, 7372, 7784, 10564, 10864, 12901, 13483, 14744, 15568, 18487, 21128, 25802, 26966, 29488, 36974, 42256, 51604, 53932, 73948, 94381, 103208, 107864, 147896, 188762, 206416, 215728, 256177, 295792, 377524, 512354, 755048, 1024708, 1510096, 1793239, 2049416, 3586478, 4098832, 7172956, 14345912, 28691824]

約数ペア:

[(1, 28691824), (2, 14345912), (4, 7172956), (7, 4098832), (8, 3586478), (14, 2049416), (16, 1793239), (19, 1510096), (28, 1024708), (38, 755048), (56, 512354), (76, 377524), (97, 295792), (112, 256177), (133, 215728), (139, 206416), (152, 188762), (194, 147896), (266, 107864), (278, 103208), (304, 94381), (388, 73948), (532, 53932), (556, 51604), (679, 42256), (776, 36974), (973, 29488), (1064, 26966), (1112, 25802), (1358, 21128), (1552, 18487), (1843, 15568), (1946, 14744), (2128, 13483), (2224, 12901), (2641, 10864), (2716, 10564), (3686, 7784), (3892, 7372), (5282, 5432)]