213059896

素因数分解:

$2^3\times 7^1\times {\mathrm{239}}^1\times {\mathrm{15919}}^1$

素因数の和:16171

約数の個数: 32

約数和(自身を含む): 458496000

約数和(自身を除く): 245436104

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 239, 478, 956, 1673, 1912, 3346, 6692, 13384, 15919, 31838, 63676, 111433, 127352, 222866, 445732, 891464, 3804641, 7609282, 15218564, 26632487, 30437128, 53264974, 106529948, 213059896]

約数ペア:

[(1, 213059896), (2, 106529948), (4, 53264974), (7, 30437128), (8, 26632487), (14, 15218564), (28, 7609282), (56, 3804641), (239, 891464), (478, 445732), (956, 222866), (1673, 127352), (1912, 111433), (3346, 63676), (6692, 31838), (13384, 15919)]