216457072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1040659}}^1$

素因数の和:1040680

約数の個数: 20

約数和(自身を含む): 451646440

約数和(自身を除く): 235189368

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1040659, 2081318, 4162636, 8325272, 13528567, 16650544, 27057134, 54114268, 108228536, 216457072]

約数ペア:

[(1, 216457072), (2, 108228536), (4, 54114268), (8, 27057134), (13, 16650544), (16, 13528567), (26, 8325272), (52, 4162636), (104, 2081318), (208, 1040659)]