81761612

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{1291}}^1$

素因数の和:1589

約数の個数: 24

約数和(自身を含む): 145861632

約数和(自身を除く): 64100020

約数列:

[1, 2, 4, 71, 142, 223, 284, 446, 892, 1291, 2582, 5164, 15833, 31666, 63332, 91661, 183322, 287893, 366644, 575786, 1151572, 20440403, 40880806, 81761612]

約数ペア:

[(1, 81761612), (2, 40880806), (4, 20440403), (71, 1151572), (142, 575786), (223, 366644), (284, 287893), (446, 183322), (892, 91661), (1291, 63332), (2582, 31666), (5164, 15833)]