81118352

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^2$

素因数の和:288

約数の個数: 60

約数和(自身を含む): 183970368

約数和(自身を除く): 102852016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 101, 112, 142, 202, 284, 404, 497, 568, 707, 808, 994, 1136, 1414, 1616, 1988, 2828, 3976, 5656, 7171, 7952, 10201, 11312, 14342, 20402, 28684, 40804, 50197, 57368, 71407, 81608, 100394, 114736, 142814, 163216, 200788, 285628, 401576, 571256, 724271, 803152, 1142512, 1448542, 2897084, 5069897, 5794168, 10139794, 11588336, 20279588, 40559176, 81118352]

約数ペア:

[(1, 81118352), (2, 40559176), (4, 20279588), (7, 11588336), (8, 10139794), (14, 5794168), (16, 5069897), (28, 2897084), (56, 1448542), (71, 1142512), (101, 803152), (112, 724271), (142, 571256), (202, 401576), (284, 285628), (404, 200788), (497, 163216), (568, 142814), (707, 114736), (808, 100394), (994, 81608), (1136, 71407), (1414, 57368), (1616, 50197), (1988, 40804), (2828, 28684), (3976, 20402), (5656, 14342), (7171, 11312), (7952, 10201)]