221468728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{2129507}}^1$

素因数の和:2129526

約数の個数: 16

約数和(自身を含む): 447196680

約数和(自身を除く): 225727952

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 2129507, 4259014, 8518028, 17036056, 27683591, 55367182, 110734364, 221468728]

約数ペア:

[(1, 221468728), (2, 110734364), (4, 55367182), (8, 27683591), (13, 17036056), (26, 8518028), (52, 4259014), (104, 2129507)]