257973732

素因数分解:

$2^2\times 3^2\times {\mathrm{239}}^1\times {\mathrm{29983}}^1$

素因数の和:30232

約数の個数: 36

約数和(自身を含む): 654850560

約数和(自身を除く): 396876828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 239, 478, 717, 956, 1434, 2151, 2868, 4302, 8604, 29983, 59966, 89949, 119932, 179898, 269847, 359796, 539694, 1079388, 7165937, 14331874, 21497811, 28663748, 42995622, 64493433, 85991244, 128986866, 257973732]

約数ペア:

[(1, 257973732), (2, 128986866), (3, 85991244), (4, 64493433), (6, 42995622), (9, 28663748), (12, 21497811), (18, 14331874), (36, 7165937), (239, 1079388), (478, 539694), (717, 359796), (956, 269847), (1434, 179898), (2151, 119932), (2868, 89949), (4302, 59966), (8604, 29983)]