247220484

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{433}}^1\times {\mathrm{971}}^1$

素因数の和:1425

約数の個数: 72

約数和(自身を含む): 673269408

約数和(自身を除く): 426048924

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 433, 588, 866, 971, 1299, 1732, 1942, 2598, 2913, 3031, 3884, 5196, 5826, 6062, 6797, 9093, 11652, 12124, 13594, 18186, 20391, 21217, 27188, 36372, 40782, 42434, 47579, 63651, 81564, 84868, 95158, 127302, 142737, 190316, 254604, 285474, 420443, 570948, 840886, 1261329, 1681772, 2522658, 2943101, 5045316, 5886202, 8829303, 11772404, 17658606, 20601707, 35317212, 41203414, 61805121, 82406828, 123610242, 247220484]

約数ペア:

[(1, 247220484), (2, 123610242), (3, 82406828), (4, 61805121), (6, 41203414), (7, 35317212), (12, 20601707), (14, 17658606), (21, 11772404), (28, 8829303), (42, 5886202), (49, 5045316), (84, 2943101), (98, 2522658), (147, 1681772), (196, 1261329), (294, 840886), (433, 570948), (588, 420443), (866, 285474), (971, 254604), (1299, 190316), (1732, 142737), (1942, 127302), (2598, 95158), (2913, 84868), (3031, 81564), (3884, 63651), (5196, 47579), (5826, 42434), (6062, 40782), (6797, 36372), (9093, 27188), (11652, 21217), (12124, 20391), (13594, 18186)]