221753392

素因数分解:

$2^4\times 7^1\times {\mathrm{1979941}}^1$

素因数の和:1979956

約数の個数: 20

約数和(自身を含む): 491025616

約数和(自身を除く): 269272224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1979941, 3959882, 7919764, 13859587, 15839528, 27719174, 31679056, 55438348, 110876696, 221753392]

約数ペア:

[(1, 221753392), (2, 110876696), (4, 55438348), (7, 31679056), (8, 27719174), (14, 15839528), (16, 13859587), (28, 7919764), (56, 3959882), (112, 1979941)]