208319216

素因数分解:

$2^4\times 7^1\times {\mathrm{163}}^1\times {\mathrm{11411}}^1$

素因数の和:11589

約数の個数: 40

約数和(自身を含む): 464148864

約数和(自身を除く): 255829648

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 163, 326, 652, 1141, 1304, 2282, 2608, 4564, 9128, 11411, 18256, 22822, 45644, 79877, 91288, 159754, 182576, 319508, 639016, 1278032, 1859993, 3719986, 7439972, 13019951, 14879944, 26039902, 29759888, 52079804, 104159608, 208319216]

約数ペア:

[(1, 208319216), (2, 104159608), (4, 52079804), (7, 29759888), (8, 26039902), (14, 14879944), (16, 13019951), (28, 7439972), (56, 3719986), (112, 1859993), (163, 1278032), (326, 639016), (652, 319508), (1141, 182576), (1304, 159754), (2282, 91288), (2608, 79877), (4564, 45644), (9128, 22822), (11411, 18256)]