66802775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 96181344

約数和(自身を除く): 29378569

約数列:

[1, 5, 13, 17, 25, 65, 85, 107, 113, 221, 325, 425, 535, 565, 1105, 1391, 1469, 1819, 1921, 2675, 2825, 5525, 6955, 7345, 9095, 9605, 12091, 23647, 24973, 34775, 36725, 45475, 48025, 60455, 118235, 124865, 157183, 205547, 302275, 591175, 624325, 785915, 1027735, 2672111, 3929575, 5138675, 13360555, 66802775]

約数ペア:

[(1, 66802775), (5, 13360555), (13, 5138675), (17, 3929575), (25, 2672111), (65, 1027735), (85, 785915), (107, 624325), (113, 591175), (221, 302275), (325, 205547), (425, 157183), (535, 124865), (565, 118235), (1105, 60455), (1391, 48025), (1469, 45475), (1819, 36725), (1921, 34775), (2675, 24973), (2825, 23647), (5525, 12091), (6955, 9605), (7345, 9095)]