219312290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{707459}}^1$

素因数の和:707497

約数の個数: 16

約数和(自身を含む): 407496960

約数和(自身を除く): 188184670

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 707459, 1414918, 3537295, 7074590, 21931229, 43862458, 109656145, 219312290]

約数ペア:

[(1, 219312290), (2, 109656145), (5, 43862458), (10, 21931229), (31, 7074590), (62, 3537295), (155, 1414918), (310, 707459)]