216609328

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{80107}}^1$

素因数の和:80141

約数の個数: 30

約数和(自身を含む): 454452684

約数和(自身を除く): 237843356

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 80107, 160214, 320428, 640856, 1041391, 1281712, 2082782, 4165564, 8331128, 13538083, 16662256, 27076166, 54152332, 108304664, 216609328]

約数ペア:

[(1, 216609328), (2, 108304664), (4, 54152332), (8, 27076166), (13, 16662256), (16, 13538083), (26, 8331128), (52, 4165564), (104, 2082782), (169, 1281712), (208, 1041391), (338, 640856), (676, 320428), (1352, 160214), (2704, 80107)]