221567268

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1420303}}^1$

素因数の和:1420323

約数の個数: 24

約数和(自身を含む): 556759168

約数和(自身を除く): 335191900

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1420303, 2840606, 4260909, 5681212, 8521818, 17043636, 18463939, 36927878, 55391817, 73855756, 110783634, 221567268]

約数ペア:

[(1, 221567268), (2, 110783634), (3, 73855756), (4, 55391817), (6, 36927878), (12, 18463939), (13, 17043636), (26, 8521818), (39, 5681212), (52, 4260909), (78, 2840606), (156, 1420303)]