28036424

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 57809700

約数和(自身を除く): 29773276

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 169, 178, 233, 338, 356, 466, 676, 712, 932, 1157, 1352, 1864, 2314, 3029, 4628, 6058, 9256, 12116, 15041, 20737, 24232, 30082, 39377, 41474, 60164, 78754, 82948, 120328, 157508, 165896, 269581, 315016, 539162, 1078324, 2156648, 3504553, 7009106, 14018212, 28036424]

約数ペア:

[(1, 28036424), (2, 14018212), (4, 7009106), (8, 3504553), (13, 2156648), (26, 1078324), (52, 539162), (89, 315016), (104, 269581), (169, 165896), (178, 157508), (233, 120328), (338, 82948), (356, 78754), (466, 60164), (676, 41474), (712, 39377), (932, 30082), (1157, 24232), (1352, 20737), (1864, 15041), (2314, 12116), (3029, 9256), (4628, 6058)]