156989371

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1409}}^1\times {\mathrm{1447}}^1$

素因数の和:2874

約数の個数: 16

約数和(自身を含む): 196001280

約数和(自身を除く): 39011909

約数列:

[1, 7, 11, 77, 1409, 1447, 9863, 10129, 15499, 15917, 108493, 111419, 2038823, 14271761, 22427053, 156989371]

約数ペア:

[(1, 156989371), (7, 22427053), (11, 14271761), (77, 2038823), (1409, 111419), (1447, 108493), (9863, 15917), (10129, 15499)]