647505168

素因数分解:

$2^4\times 3^1\times {\mathrm{13489691}}^1$

素因数の和:13489702

約数の個数: 20

約数和(自身を含む): 1672721808

約数和(自身を除く): 1025216640

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 13489691, 26979382, 40469073, 53958764, 80938146, 107917528, 161876292, 215835056, 323752584, 647505168]

約数ペア:

[(1, 647505168), (2, 323752584), (3, 215835056), (4, 161876292), (6, 107917528), (8, 80938146), (12, 53958764), (16, 40469073), (24, 26979382), (48, 13489691)]