394637488

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{81943}}^1$

素因数の和:82001

約数の個数: 40

約数和(自身を含む): 894172928

約数和(自身を除く): 499535440

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 4816, 81943, 163886, 327772, 573601, 655544, 1147202, 1311088, 2294404, 3523549, 4588808, 7047098, 9177616, 14094196, 24664843, 28188392, 49329686, 56376784, 98659372, 197318744, 394637488]

約数ペア:

[(1, 394637488), (2, 197318744), (4, 98659372), (7, 56376784), (8, 49329686), (14, 28188392), (16, 24664843), (28, 14094196), (43, 9177616), (56, 7047098), (86, 4588808), (112, 3523549), (172, 2294404), (301, 1311088), (344, 1147202), (602, 655544), (688, 573601), (1204, 327772), (2408, 163886), (4816, 81943)]