28539756

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{5393}}^1$

素因数の和:5420

約数の個数: 72

約数和(自身を含む): 86088240

約数和(自身を除く): 57548484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1764, 2646, 5292, 5393, 10786, 16179, 21572, 32358, 37751, 48537, 64716, 75502, 97074, 113253, 145611, 151004, 194148, 226506, 264257, 291222, 339759, 453012, 528514, 582444, 679518, 792771, 1019277, 1057028, 1359036, 1585542, 2038554, 2378313, 3171084, 4077108, 4756626, 7134939, 9513252, 14269878, 28539756]

約数ペア:

[(1, 28539756), (2, 14269878), (3, 9513252), (4, 7134939), (6, 4756626), (7, 4077108), (9, 3171084), (12, 2378313), (14, 2038554), (18, 1585542), (21, 1359036), (27, 1057028), (28, 1019277), (36, 792771), (42, 679518), (49, 582444), (54, 528514), (63, 453012), (84, 339759), (98, 291222), (108, 264257), (126, 226506), (147, 194148), (189, 151004), (196, 145611), (252, 113253), (294, 97074), (378, 75502), (441, 64716), (588, 48537), (756, 37751), (882, 32358), (1323, 21572), (1764, 16179), (2646, 10786), (5292, 5393)]