245940736

素因数分解:

$2^9\times {\mathrm{43}}^1\times {\mathrm{11171}}^1$

素因数の和:11232

約数の個数: 40

約数和(自身を含む): 502874064

約数和(自身を除く): 256933328

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 512, 688, 1376, 2752, 5504, 11008, 11171, 22016, 22342, 44684, 89368, 178736, 357472, 480353, 714944, 960706, 1429888, 1921412, 2859776, 3842824, 5719552, 7685648, 15371296, 30742592, 61485184, 122970368, 245940736]

約数ペア:

[(1, 245940736), (2, 122970368), (4, 61485184), (8, 30742592), (16, 15371296), (32, 7685648), (43, 5719552), (64, 3842824), (86, 2859776), (128, 1921412), (172, 1429888), (256, 960706), (344, 714944), (512, 480353), (688, 357472), (1376, 178736), (2752, 89368), (5504, 44684), (11008, 22342), (11171, 22016)]