81753448

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47093}}^1$

素因数の和:47137

約数の個数: 32

約数和(自身を含む): 180840960

約数和(自身を除く): 99087512

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 47093, 94186, 188372, 329651, 376744, 659302, 1318604, 1459883, 2637208, 2919766, 5839532, 10219181, 11679064, 20438362, 40876724, 81753448]

約数ペア:

[(1, 81753448), (2, 40876724), (4, 20438362), (7, 11679064), (8, 10219181), (14, 5839532), (28, 2919766), (31, 2637208), (56, 1459883), (62, 1318604), (124, 659302), (217, 376744), (248, 329651), (434, 188372), (868, 94186), (1736, 47093)]