669379408

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{329419}}^1$

素因数の和:329554

約数の個数: 20

約数和(自身を含む): 1307138560

約数和(自身を除く): 637759152

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 329419, 658838, 1317676, 2635352, 5270704, 41836213, 83672426, 167344852, 334689704, 669379408]

約数ペア:

[(1, 669379408), (2, 334689704), (4, 167344852), (8, 83672426), (16, 41836213), (127, 5270704), (254, 2635352), (508, 1317676), (1016, 658838), (2032, 329419)]