42990565

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{541}}^1\times {\mathrm{691}}^1$

素因数の和:1260

約数の個数: 16

約数和(自身を含む): 54009216

約数和(自身を除く): 11018651

約数列:

[1, 5, 23, 115, 541, 691, 2705, 3455, 12443, 15893, 62215, 79465, 373831, 1869155, 8598113, 42990565]

約数ペア:

[(1, 42990565), (5, 8598113), (23, 1869155), (115, 373831), (541, 79465), (691, 62215), (2705, 15893), (3455, 12443)]