81385776

素因数分解:

$2^4\times 3^3\times {\mathrm{23}}^1\times {\mathrm{8191}}^1$

素因数の和:8231

約数の個数: 80

約数和(自身を含む): 243793920

約数和(自身を除く): 162408144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 36, 46, 48, 54, 69, 72, 92, 108, 138, 144, 184, 207, 216, 276, 368, 414, 432, 552, 621, 828, 1104, 1242, 1656, 2484, 3312, 4968, 8191, 9936, 16382, 24573, 32764, 49146, 65528, 73719, 98292, 131056, 147438, 188393, 196584, 221157, 294876, 376786, 393168, 442314, 565179, 589752, 753572, 884628, 1130358, 1179504, 1507144, 1695537, 1769256, 2260716, 3014288, 3391074, 3538512, 4521432, 5086611, 6782148, 9042864, 10173222, 13564296, 20346444, 27128592, 40692888, 81385776]

約数ペア:

[(1, 81385776), (2, 40692888), (3, 27128592), (4, 20346444), (6, 13564296), (8, 10173222), (9, 9042864), (12, 6782148), (16, 5086611), (18, 4521432), (23, 3538512), (24, 3391074), (27, 3014288), (36, 2260716), (46, 1769256), (48, 1695537), (54, 1507144), (69, 1179504), (72, 1130358), (92, 884628), (108, 753572), (138, 589752), (144, 565179), (184, 442314), (207, 393168), (216, 376786), (276, 294876), (368, 221157), (414, 196584), (432, 188393), (552, 147438), (621, 131056), (828, 98292), (1104, 73719), (1242, 65528), (1656, 49146), (2484, 32764), (3312, 24573), (4968, 16382), (8191, 9936)]