644484

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{1249}}^1$

素因数の和:1299

約数の個数: 24

約数和(自身を含む): 1540000

約数和(自身を除く): 895516

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 1249, 2498, 3747, 4996, 7494, 14988, 53707, 107414, 161121, 214828, 322242, 644484]

約数ペア:

[(1, 644484), (2, 322242), (3, 214828), (4, 161121), (6, 107414), (12, 53707), (43, 14988), (86, 7494), (129, 4996), (172, 3747), (258, 2498), (516, 1249)]