81387152

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2131}}^1$

素因数の和:2188

約数の個数: 80

約数和(自身を含む): 203034624

約数和(自身を除く): 121647472

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 44, 56, 62, 77, 88, 112, 124, 154, 176, 217, 248, 308, 341, 434, 496, 616, 682, 868, 1232, 1364, 1736, 2131, 2387, 2728, 3472, 4262, 4774, 5456, 8524, 9548, 14917, 17048, 19096, 23441, 29834, 34096, 38192, 46882, 59668, 66061, 93764, 119336, 132122, 164087, 187528, 238672, 264244, 328174, 375056, 462427, 528488, 656348, 726671, 924854, 1056976, 1312696, 1453342, 1849708, 2625392, 2906684, 3699416, 5086697, 5813368, 7398832, 10173394, 11626736, 20346788, 40693576, 81387152]

約数ペア:

[(1, 81387152), (2, 40693576), (4, 20346788), (7, 11626736), (8, 10173394), (11, 7398832), (14, 5813368), (16, 5086697), (22, 3699416), (28, 2906684), (31, 2625392), (44, 1849708), (56, 1453342), (62, 1312696), (77, 1056976), (88, 924854), (112, 726671), (124, 656348), (154, 528488), (176, 462427), (217, 375056), (248, 328174), (308, 264244), (341, 238672), (434, 187528), (496, 164087), (616, 132122), (682, 119336), (868, 93764), (1232, 66061), (1364, 59668), (1736, 46882), (2131, 38192), (2387, 34096), (2728, 29834), (3472, 23441), (4262, 19096), (4774, 17048), (5456, 14917), (8524, 9548)]