678342670

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3990251}}^1$

素因数の和:3990275

約数の個数: 16

約数和(自身を含む): 1292841648

約数和(自身を除く): 614498978

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 3990251, 7980502, 19951255, 39902510, 67834267, 135668534, 339171335, 678342670]

約数ペア:

[(1, 678342670), (2, 339171335), (5, 135668534), (10, 67834267), (17, 39902510), (34, 19951255), (85, 7980502), (170, 3990251)]