28676336

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137867}}^1$

素因数の和:137888

約数の個数: 20

約数和(自身を含む): 59834712

約数和(自身を除く): 31158376

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 137867, 275734, 551468, 1102936, 1792271, 2205872, 3584542, 7169084, 14338168, 28676336]

約数ペア:

[(1, 28676336), (2, 14338168), (4, 7169084), (8, 3584542), (13, 2205872), (16, 1792271), (26, 1102936), (52, 551468), (104, 275734), (208, 137867)]