218617812

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:515

約数の個数: 144

約数和(自身を含む): 667128000

約数和(自身を除く): 448510188

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 109, 126, 147, 189, 196, 218, 252, 294, 327, 378, 379, 436, 441, 588, 654, 756, 758, 763, 882, 981, 1137, 1308, 1323, 1516, 1526, 1764, 1962, 2274, 2289, 2646, 2653, 2943, 3052, 3411, 3924, 4548, 4578, 5292, 5306, 5341, 5886, 6822, 6867, 7959, 9156, 10233, 10612, 10682, 11772, 13644, 13734, 15918, 16023, 18571, 20466, 20601, 21364, 23877, 27468, 31836, 32046, 37142, 40932, 41202, 41311, 47754, 48069, 55713, 64092, 71631, 74284, 82404, 82622, 95508, 96138, 111426, 123933, 143262, 144207, 165244, 167139, 192276, 222852, 247866, 286524, 288414, 289177, 334278, 371799, 495732, 501417, 576828, 578354, 668556, 743598, 867531, 1002834, 1115397, 1156708, 1487196, 1735062, 2005668, 2024239, 2230794, 2602593, 3470124, 4048478, 4461588, 5205186, 6072717, 7807779, 8096956, 10410372, 12145434, 15615558, 18218151, 24290868, 31231116, 36436302, 54654453, 72872604, 109308906, 218617812]

約数ペア:

[(1, 218617812), (2, 109308906), (3, 72872604), (4, 54654453), (6, 36436302), (7, 31231116), (9, 24290868), (12, 18218151), (14, 15615558), (18, 12145434), (21, 10410372), (27, 8096956), (28, 7807779), (36, 6072717), (42, 5205186), (49, 4461588), (54, 4048478), (63, 3470124), (84, 2602593), (98, 2230794), (108, 2024239), (109, 2005668), (126, 1735062), (147, 1487196), (189, 1156708), (196, 1115397), (218, 1002834), (252, 867531), (294, 743598), (327, 668556), (378, 578354), (379, 576828), (436, 501417), (441, 495732), (588, 371799), (654, 334278), (756, 289177), (758, 288414), (763, 286524), (882, 247866), (981, 222852), (1137, 192276), (1308, 167139), (1323, 165244), (1516, 144207), (1526, 143262), (1764, 123933), (1962, 111426), (2274, 96138), (2289, 95508), (2646, 82622), (2653, 82404), (2943, 74284), (3052, 71631), (3411, 64092), (3924, 55713), (4548, 48069), (4578, 47754), (5292, 41311), (5306, 41202), (5341, 40932), (5886, 37142), (6822, 32046), (6867, 31836), (7959, 27468), (9156, 23877), (10233, 21364), (10612, 20601), (10682, 20466), (11772, 18571), (13644, 16023), (13734, 15918)]