249902015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{197551}}^1$

素因数の和:197590

約数の個数: 16

約数和(自身を含む): 341369856

約数和(自身を除く): 91467841

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 197551, 987755, 2173061, 4543673, 10865305, 22718365, 49980403, 249902015]

約数ペア:

[(1, 249902015), (5, 49980403), (11, 22718365), (23, 10865305), (55, 4543673), (115, 2173061), (253, 987755), (1265, 197551)]