81953584

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{165229}}^1$

素因数の和:165268

約数の個数: 20

約数和(自身を含む): 163908160

約数和(自身を除く): 81954576

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 165229, 330458, 660916, 1321832, 2643664, 5122099, 10244198, 20488396, 40976792, 81953584]

約数ペア:

[(1, 81953584), (2, 40976792), (4, 20488396), (8, 10244198), (16, 5122099), (31, 2643664), (62, 1321832), (124, 660916), (248, 330458), (496, 165229)]