42689890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251117}}^1$

素因数の和:251141

約数の個数: 16

約数和(自身を含む): 81362232

約数和(自身を除く): 38672342

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 251117, 502234, 1255585, 2511170, 4268989, 8537978, 21344945, 42689890]

約数ペア:

[(1, 42689890), (2, 21344945), (5, 8537978), (10, 4268989), (17, 2511170), (34, 1255585), (85, 502234), (170, 251117)]