81297128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1753}}^1$

素因数の和:1818

約数の個数: 64

約数和(自身を含む): 181854720

約数和(自身を除く): 100557592

約数列:

[1, 2, 4, 8, 11, 17, 22, 31, 34, 44, 62, 68, 88, 124, 136, 187, 248, 341, 374, 527, 682, 748, 1054, 1364, 1496, 1753, 2108, 2728, 3506, 4216, 5797, 7012, 11594, 14024, 19283, 23188, 29801, 38566, 46376, 54343, 59602, 77132, 108686, 119204, 154264, 217372, 238408, 327811, 434744, 597773, 655622, 923831, 1195546, 1311244, 1847662, 2391092, 2622488, 3695324, 4782184, 7390648, 10162141, 20324282, 40648564, 81297128]

約数ペア:

[(1, 81297128), (2, 40648564), (4, 20324282), (8, 10162141), (11, 7390648), (17, 4782184), (22, 3695324), (31, 2622488), (34, 2391092), (44, 1847662), (62, 1311244), (68, 1195546), (88, 923831), (124, 655622), (136, 597773), (187, 434744), (248, 327811), (341, 238408), (374, 217372), (527, 154264), (682, 119204), (748, 108686), (1054, 77132), (1364, 59602), (1496, 54343), (1753, 46376), (2108, 38566), (2728, 29801), (3506, 23188), (4216, 19283), (5797, 14024), (7012, 11594)]