199901786

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{620813}}^1$

素因数の和:620845

約数の個数: 16

約数和(自身を含む): 357588864

約数和(自身を除く): 157687078

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 620813, 1241626, 4345691, 8691382, 14278699, 28557398, 99950893, 199901786]

約数ペア:

[(1, 199901786), (2, 99950893), (7, 28557398), (14, 14278699), (23, 8691382), (46, 4345691), (161, 1241626), (322, 620813)]