1621704

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{197}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 4752000

約数和(自身を除く): 3130296

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 197, 294, 343, 392, 394, 588, 591, 686, 788, 1029, 1176, 1182, 1372, 1379, 1576, 2058, 2364, 2744, 2758, 4116, 4137, 4728, 5516, 8232, 8274, 9653, 11032, 16548, 19306, 28959, 33096, 38612, 57918, 67571, 77224, 115836, 135142, 202713, 231672, 270284, 405426, 540568, 810852, 1621704]

約数ペア:

[(1, 1621704), (2, 810852), (3, 540568), (4, 405426), (6, 270284), (7, 231672), (8, 202713), (12, 135142), (14, 115836), (21, 77224), (24, 67571), (28, 57918), (42, 38612), (49, 33096), (56, 28959), (84, 19306), (98, 16548), (147, 11032), (168, 9653), (196, 8274), (197, 8232), (294, 5516), (343, 4728), (392, 4137), (394, 4116), (588, 2758), (591, 2744), (686, 2364), (788, 2058), (1029, 1576), (1176, 1379), (1182, 1372)]