247290428

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{1609}}^1$

素因数の和:2130

約数の個数: 48

約数和(自身を含む): 540960000

約数和(自身を除く): 293669572

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 499, 998, 1609, 1996, 3218, 3493, 5489, 6436, 6986, 10978, 11263, 13972, 17699, 21956, 22526, 35398, 38423, 45052, 70796, 76846, 123893, 153692, 247786, 495572, 802891, 1605782, 3211564, 5620237, 8831801, 11240474, 17663602, 22480948, 35327204, 61822607, 123645214, 247290428]

約数ペア:

[(1, 247290428), (2, 123645214), (4, 61822607), (7, 35327204), (11, 22480948), (14, 17663602), (22, 11240474), (28, 8831801), (44, 5620237), (77, 3211564), (154, 1605782), (308, 802891), (499, 495572), (998, 247786), (1609, 153692), (1996, 123893), (3218, 76846), (3493, 70796), (5489, 45052), (6436, 38423), (6986, 35398), (10978, 22526), (11263, 21956), (13972, 17699)]