220853932

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{326707}}^1$

素因数の和:326737

約数の個数: 18

約数和(自身を含む): 418512948

約数和(自身を除く): 197659016

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 326707, 653414, 1306828, 4247191, 8494382, 16988764, 55213483, 110426966, 220853932]

約数ペア:

[(1, 220853932), (2, 110426966), (4, 55213483), (13, 16988764), (26, 8494382), (52, 4247191), (169, 1306828), (338, 653414), (676, 326707)]