81457832

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{503}}^1\times {\mathrm{653}}^1$

素因数の和:1193

約数の個数: 32

約数和(自身を含む): 158215680

約数和(自身を除く): 76757848

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 503, 653, 1006, 1306, 2012, 2612, 4024, 5224, 15593, 20243, 31186, 40486, 62372, 80972, 124744, 161944, 328459, 656918, 1313836, 2627672, 10182229, 20364458, 40728916, 81457832]

約数ペア:

[(1, 81457832), (2, 40728916), (4, 20364458), (8, 10182229), (31, 2627672), (62, 1313836), (124, 656918), (248, 328459), (503, 161944), (653, 124744), (1006, 80972), (1306, 62372), (2012, 40486), (2612, 31186), (4024, 20243), (5224, 15593)]