221488970

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{540217}}^1$

素因数の和:540265

約数の個数: 16

約数和(自身を含む): 408404808

約数和(自身を除く): 186915838

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 540217, 1080434, 2701085, 5402170, 22148897, 44297794, 110744485, 221488970]

約数ペア:

[(1, 221488970), (2, 110744485), (5, 44297794), (10, 22148897), (41, 5402170), (82, 2701085), (205, 1080434), (410, 540217)]