216820655

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{1061}}^1\times {\mathrm{1777}}^1$

素因数の和:2866

約数の個数: 16

約数和(自身を含む): 271905984

約数和(自身を除く): 55085329

約数列:

[1, 5, 23, 115, 1061, 1777, 5305, 8885, 24403, 40871, 122015, 204355, 1885397, 9426985, 43364131, 216820655]

約数ペア:

[(1, 216820655), (5, 43364131), (23, 9426985), (115, 1885397), (1061, 204355), (1777, 122015), (5305, 40871), (8885, 24403)]