81208864

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:410

約数の個数: 96

約数和(自身を含む): 189749952

約数和(自身を除く): 108541088

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 41, 44, 68, 82, 88, 136, 164, 176, 187, 272, 328, 331, 352, 374, 451, 544, 656, 662, 697, 748, 902, 1312, 1324, 1394, 1496, 1804, 2648, 2788, 2992, 3608, 3641, 5296, 5576, 5627, 5984, 7216, 7282, 7667, 10592, 11152, 11254, 13571, 14432, 14564, 15334, 22304, 22508, 27142, 29128, 30668, 45016, 54284, 58256, 61336, 61897, 90032, 108568, 116512, 122672, 123794, 149281, 180064, 217136, 230707, 245344, 247588, 298562, 434272, 461414, 495176, 597124, 922828, 990352, 1194248, 1845656, 1980704, 2388496, 2537777, 3691312, 4776992, 5075554, 7382624, 10151108, 20302216, 40604432, 81208864]

約数ペア:

[(1, 81208864), (2, 40604432), (4, 20302216), (8, 10151108), (11, 7382624), (16, 5075554), (17, 4776992), (22, 3691312), (32, 2537777), (34, 2388496), (41, 1980704), (44, 1845656), (68, 1194248), (82, 990352), (88, 922828), (136, 597124), (164, 495176), (176, 461414), (187, 434272), (272, 298562), (328, 247588), (331, 245344), (352, 230707), (374, 217136), (451, 180064), (544, 149281), (656, 123794), (662, 122672), (697, 116512), (748, 108568), (902, 90032), (1312, 61897), (1324, 61336), (1394, 58256), (1496, 54284), (1804, 45016), (2648, 30668), (2788, 29128), (2992, 27142), (3608, 22508), (3641, 22304), (5296, 15334), (5576, 14564), (5627, 14432), (5984, 13571), (7216, 11254), (7282, 11152), (7667, 10592)]