42781616

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{140729}}^1$

素因数の和:140756

約数の個数: 20

約数和(自身を含む): 87252600

約数和(自身を除く): 44470984

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 140729, 281458, 562916, 1125832, 2251664, 2673851, 5347702, 10695404, 21390808, 42781616]

約数ペア:

[(1, 42781616), (2, 21390808), (4, 10695404), (8, 5347702), (16, 2673851), (19, 2251664), (38, 1125832), (76, 562916), (152, 281458), (304, 140729)]