81318748

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1481}}^1$

素因数の和:1582

約数の個数: 48

約数和(自身を含む): 170299584

約数和(自身を除く): 88980836

約数列:

[1, 2, 4, 7, 14, 28, 37, 53, 74, 106, 148, 212, 259, 371, 518, 742, 1036, 1481, 1484, 1961, 2962, 3922, 5924, 7844, 10367, 13727, 20734, 27454, 41468, 54797, 54908, 78493, 109594, 156986, 219188, 313972, 383579, 549451, 767158, 1098902, 1534316, 2197804, 2904241, 5808482, 11616964, 20329687, 40659374, 81318748]

約数ペア:

[(1, 81318748), (2, 40659374), (4, 20329687), (7, 11616964), (14, 5808482), (28, 2904241), (37, 2197804), (53, 1534316), (74, 1098902), (106, 767158), (148, 549451), (212, 383579), (259, 313972), (371, 219188), (518, 156986), (742, 109594), (1036, 78493), (1481, 54908), (1484, 54797), (1961, 41468), (2962, 27454), (3922, 20734), (5924, 13727), (7844, 10367)]