289883356

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{991}}^1$

素因数の和:1370

約数の個数: 48

約数和(自身を含む): 600850432

約数和(自身を除く): 310967076

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 337, 434, 674, 868, 991, 1348, 1982, 2359, 3964, 4718, 6937, 9436, 10447, 13874, 20894, 27748, 30721, 41788, 61442, 73129, 122884, 146258, 215047, 292516, 333967, 430094, 667934, 860188, 1335868, 2337769, 4675538, 9351076, 10352977, 20705954, 41411908, 72470839, 144941678, 289883356]

約数ペア:

[(1, 289883356), (2, 144941678), (4, 72470839), (7, 41411908), (14, 20705954), (28, 10352977), (31, 9351076), (62, 4675538), (124, 2337769), (217, 1335868), (337, 860188), (434, 667934), (674, 430094), (868, 333967), (991, 292516), (1348, 215047), (1982, 146258), (2359, 122884), (3964, 73129), (4718, 61442), (6937, 41788), (9436, 30721), (10447, 27748), (13874, 20894)]