668394

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:602

約数の個数: 24

約数和(自身を含む): 1471392

約数和(自身を除く): 802998

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 523, 639, 1046, 1278, 1569, 3138, 4707, 9414, 37133, 74266, 111399, 222798, 334197, 668394]

約数ペア:

[(1, 668394), (2, 334197), (3, 222798), (6, 111399), (9, 74266), (18, 37133), (71, 9414), (142, 4707), (213, 3138), (426, 1569), (523, 1278), (639, 1046)]