65919664

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{216841}}^1$

素因数の和:216868

約数の個数: 20

約数和(自身を含む): 134442040

約数和(自身を除く): 68522376

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 216841, 433682, 867364, 1734728, 3469456, 4119979, 8239958, 16479916, 32959832, 65919664]

約数ペア:

[(1, 65919664), (2, 32959832), (4, 16479916), (8, 8239958), (16, 4119979), (19, 3469456), (38, 1734728), (76, 867364), (152, 433682), (304, 216841)]