221214392

素因数分解:

$2^3\times 7^1\times {\mathrm{3950257}}^1$

素因数の和:3950270

約数の個数: 16

約数和(自身を含む): 474030960

約数和(自身を除く): 252816568

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 3950257, 7900514, 15801028, 27651799, 31602056, 55303598, 110607196, 221214392]

約数ペア:

[(1, 221214392), (2, 110607196), (4, 55303598), (7, 31602056), (8, 27651799), (14, 15801028), (28, 7900514), (56, 3950257)]