291219856

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{10289}}^1$

素因数の和:10387

約数の個数: 40

約数和(自身を含む): 593321400

約数和(自身を除く): 302101544

約数列:

[1, 2, 4, 8, 16, 29, 58, 61, 116, 122, 232, 244, 464, 488, 976, 1769, 3538, 7076, 10289, 14152, 20578, 28304, 41156, 82312, 164624, 298381, 596762, 627629, 1193524, 1255258, 2387048, 2510516, 4774096, 5021032, 10042064, 18201241, 36402482, 72804964, 145609928, 291219856]

約数ペア:

[(1, 291219856), (2, 145609928), (4, 72804964), (8, 36402482), (16, 18201241), (29, 10042064), (58, 5021032), (61, 4774096), (116, 2510516), (122, 2387048), (232, 1255258), (244, 1193524), (464, 627629), (488, 596762), (976, 298381), (1769, 164624), (3538, 82312), (7076, 41156), (10289, 28304), (14152, 20578)]