64782025

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 101743488

約数和(自身を除く): 36961463

約数列:

[1, 5, 7, 11, 25, 35, 55, 73, 77, 175, 275, 365, 385, 461, 511, 803, 1825, 1925, 2305, 2555, 3227, 4015, 5071, 5621, 11525, 12775, 16135, 20075, 25355, 28105, 33653, 35497, 80675, 126775, 140525, 168265, 177485, 235571, 370183, 841325, 887425, 1177855, 1850915, 2591281, 5889275, 9254575, 12956405, 64782025]

約数ペア:

[(1, 64782025), (5, 12956405), (7, 9254575), (11, 5889275), (25, 2591281), (35, 1850915), (55, 1177855), (73, 887425), (77, 841325), (175, 370183), (275, 235571), (365, 177485), (385, 168265), (461, 140525), (511, 126775), (803, 80675), (1825, 35497), (1925, 33653), (2305, 28105), (2555, 25355), (3227, 20075), (4015, 16135), (5071, 12775), (5621, 11525)]