266544304

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1281463}}^1$

素因数の和:1281484

約数の個数: 20

約数和(自身を含む): 556155376

約数和(自身を除く): 289611072

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1281463, 2562926, 5125852, 10251704, 16659019, 20503408, 33318038, 66636076, 133272152, 266544304]

約数ペア:

[(1, 266544304), (2, 133272152), (4, 66636076), (8, 33318038), (13, 20503408), (16, 16659019), (26, 10251704), (52, 5125852), (104, 2562926), (208, 1281463)]