251134285

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 326592000

約数和(自身を除く): 75457715

約数列:

[1, 5, 17, 79, 85, 149, 251, 395, 745, 1255, 1343, 2533, 4267, 6715, 11771, 12665, 19829, 21335, 37399, 58855, 99145, 186995, 200107, 337093, 635783, 1000535, 1685465, 2954521, 3178915, 14772605, 50226857, 251134285]

約数ペア:

[(1, 251134285), (5, 50226857), (17, 14772605), (79, 3178915), (85, 2954521), (149, 1685465), (251, 1000535), (395, 635783), (745, 337093), (1255, 200107), (1343, 186995), (2533, 99145), (4267, 58855), (6715, 37399), (11771, 21335), (12665, 19829)]