219960712

素因数分解:

$2^3\times {\mathrm{421}}^1\times {\mathrm{65309}}^1$

素因数の和:65736

約数の個数: 16

約数和(自身を含む): 413412300

約数和(自身を除く): 193451588

約数列:

[1, 2, 4, 8, 421, 842, 1684, 3368, 65309, 130618, 261236, 522472, 27495089, 54990178, 109980356, 219960712]

約数ペア:

[(1, 219960712), (2, 109980356), (4, 54990178), (8, 27495089), (421, 522472), (842, 261236), (1684, 130618), (3368, 65309)]