81738761657

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{409}}^1\times {\mathrm{883}}^1$

素因数の和:1486

約数の個数: 48

約数和(自身を含む): 99163584000

約数和(自身を除く): 17424822343

約数列:

[1, 7, 31, 49, 149, 217, 409, 883, 1043, 1519, 2863, 4619, 6181, 7301, 12679, 20041, 27373, 32333, 43267, 60941, 88753, 131567, 191611, 226331, 361147, 426587, 621271, 920969, 1341277, 1889171, 2528029, 2986109, 4078577, 6446783, 11195557, 13224197, 17696203, 28550039, 53810903, 78368899, 92569379, 199850273, 376676321, 548582293, 1668137993, 2636734247, 11676965951, 81738761657]

約数ペア:

[(1, 81738761657), (7, 11676965951), (31, 2636734247), (49, 1668137993), (149, 548582293), (217, 376676321), (409, 199850273), (883, 92569379), (1043, 78368899), (1519, 53810903), (2863, 28550039), (4619, 17696203), (6181, 13224197), (7301, 11195557), (12679, 6446783), (20041, 4078577), (27373, 2986109), (32333, 2528029), (43267, 1889171), (60941, 1341277), (88753, 920969), (131567, 621271), (191611, 426587), (226331, 361147)]