31718456

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 77629440

約数和(自身を除く): 45910984

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 88, 121, 124, 151, 154, 217, 242, 248, 302, 308, 341, 434, 484, 604, 616, 682, 847, 868, 968, 1057, 1208, 1364, 1661, 1694, 1736, 2114, 2387, 2728, 3322, 3388, 3751, 4228, 4681, 4774, 6644, 6776, 7502, 8456, 9362, 9548, 11627, 13288, 15004, 18271, 18724, 19096, 23254, 26257, 30008, 32767, 36542, 37448, 46508, 51491, 52514, 65534, 73084, 93016, 102982, 105028, 127897, 131068, 146168, 205964, 210056, 255794, 262136, 360437, 411928, 511588, 566401, 720874, 1023176, 1132802, 1441748, 2265604, 2883496, 3964807, 4531208, 7929614, 15859228, 31718456]

約数ペア:

[(1, 31718456), (2, 15859228), (4, 7929614), (7, 4531208), (8, 3964807), (11, 2883496), (14, 2265604), (22, 1441748), (28, 1132802), (31, 1023176), (44, 720874), (56, 566401), (62, 511588), (77, 411928), (88, 360437), (121, 262136), (124, 255794), (151, 210056), (154, 205964), (217, 146168), (242, 131068), (248, 127897), (302, 105028), (308, 102982), (341, 93016), (434, 73084), (484, 65534), (604, 52514), (616, 51491), (682, 46508), (847, 37448), (868, 36542), (968, 32767), (1057, 30008), (1208, 26257), (1364, 23254), (1661, 19096), (1694, 18724), (1736, 18271), (2114, 15004), (2387, 13288), (2728, 11627), (3322, 9548), (3388, 9362), (3751, 8456), (4228, 7502), (4681, 6776), (4774, 6644)]