128256466

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{17}}^2\times {\mathrm{101}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 223581960

約数和(自身を除く): 95325494

約数列:

[1, 2, 13, 17, 26, 34, 101, 169, 202, 221, 289, 338, 442, 578, 1313, 1717, 2197, 2626, 2873, 3434, 3757, 4394, 5746, 7514, 17069, 22321, 29189, 34138, 37349, 44642, 48841, 58378, 74698, 97682, 221897, 290173, 379457, 443794, 580346, 634933, 758914, 1269866, 3772249, 4932941, 7544498, 9865882, 64128233, 128256466]

約数ペア:

[(1, 128256466), (2, 64128233), (13, 9865882), (17, 7544498), (26, 4932941), (34, 3772249), (101, 1269866), (169, 758914), (202, 634933), (221, 580346), (289, 443794), (338, 379457), (442, 290173), (578, 221897), (1313, 97682), (1717, 74698), (2197, 58378), (2626, 48841), (2873, 44642), (3434, 37349), (3757, 34138), (4394, 29189), (5746, 22321), (7514, 17069)]