28889744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{138893}}^1$

素因数の和:138914

約数の個数: 20

約数和(自身を含む): 60279996

約数和(自身を除く): 31390252

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 138893, 277786, 555572, 1111144, 1805609, 2222288, 3611218, 7222436, 14444872, 28889744]

約数ペア:

[(1, 28889744), (2, 14444872), (4, 7222436), (8, 3611218), (13, 2222288), (16, 1805609), (26, 1111144), (52, 555572), (104, 277786), (208, 138893)]