243396688

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{800647}}^1$

素因数の和:800674

約数の個数: 20

約数和(自身を含む): 496401760

約数和(自身を除く): 253005072

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 800647, 1601294, 3202588, 6405176, 12810352, 15212293, 30424586, 60849172, 121698344, 243396688]

約数ペア:

[(1, 243396688), (2, 121698344), (4, 60849172), (8, 30424586), (16, 15212293), (19, 12810352), (38, 6405176), (76, 3202588), (152, 1601294), (304, 800647)]