28184752

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 62496000

約数和(自身を除く): 34311248

約数列:

[1, 2, 4, 8, 16, 19, 23, 29, 38, 46, 58, 76, 92, 116, 139, 152, 184, 232, 278, 304, 368, 437, 464, 551, 556, 667, 874, 1102, 1112, 1334, 1748, 2204, 2224, 2641, 2668, 3197, 3496, 4031, 4408, 5282, 5336, 6394, 6992, 8062, 8816, 10564, 10672, 12673, 12788, 16124, 21128, 25346, 25576, 32248, 42256, 50692, 51152, 60743, 64496, 76589, 92713, 101384, 121486, 153178, 185426, 202768, 242972, 306356, 370852, 485944, 612712, 741704, 971888, 1225424, 1483408, 1761547, 3523094, 7046188, 14092376, 28184752]

約数ペア:

[(1, 28184752), (2, 14092376), (4, 7046188), (8, 3523094), (16, 1761547), (19, 1483408), (23, 1225424), (29, 971888), (38, 741704), (46, 612712), (58, 485944), (76, 370852), (92, 306356), (116, 242972), (139, 202768), (152, 185426), (184, 153178), (232, 121486), (278, 101384), (304, 92713), (368, 76589), (437, 64496), (464, 60743), (551, 51152), (556, 50692), (667, 42256), (874, 32248), (1102, 25576), (1112, 25346), (1334, 21128), (1748, 16124), (2204, 12788), (2224, 12673), (2641, 10672), (2668, 10564), (3197, 8816), (3496, 8062), (4031, 6992), (4408, 6394), (5282, 5336)]