221325552

素因数分解:

$2^4\times 3^2\times 7^3\times {\mathrm{4481}}^1$

素因数の和:4516

約数の個数: 120

約数和(自身を含む): 722498400

約数和(自身を除く): 501172848

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 343, 392, 441, 504, 588, 686, 784, 882, 1008, 1029, 1176, 1372, 1764, 2058, 2352, 2744, 3087, 3528, 4116, 4481, 5488, 6174, 7056, 8232, 8962, 12348, 13443, 16464, 17924, 24696, 26886, 31367, 35848, 40329, 49392, 53772, 62734, 71696, 80658, 94101, 107544, 125468, 161316, 188202, 215088, 219569, 250936, 282303, 322632, 376404, 439138, 501872, 564606, 645264, 658707, 752808, 878276, 1129212, 1317414, 1505616, 1536983, 1756552, 1976121, 2258424, 2634828, 3073966, 3513104, 3952242, 4516848, 4610949, 5269656, 6147932, 7904484, 9221898, 10539312, 12295864, 13832847, 15808968, 18443796, 24591728, 27665694, 31617936, 36887592, 55331388, 73775184, 110662776, 221325552]

約数ペア:

[(1, 221325552), (2, 110662776), (3, 73775184), (4, 55331388), (6, 36887592), (7, 31617936), (8, 27665694), (9, 24591728), (12, 18443796), (14, 15808968), (16, 13832847), (18, 12295864), (21, 10539312), (24, 9221898), (28, 7904484), (36, 6147932), (42, 5269656), (48, 4610949), (49, 4516848), (56, 3952242), (63, 3513104), (72, 3073966), (84, 2634828), (98, 2258424), (112, 1976121), (126, 1756552), (144, 1536983), (147, 1505616), (168, 1317414), (196, 1129212), (252, 878276), (294, 752808), (336, 658707), (343, 645264), (392, 564606), (441, 501872), (504, 439138), (588, 376404), (686, 322632), (784, 282303), (882, 250936), (1008, 219569), (1029, 215088), (1176, 188202), (1372, 161316), (1764, 125468), (2058, 107544), (2352, 94101), (2744, 80658), (3087, 71696), (3528, 62734), (4116, 53772), (4481, 49392), (5488, 40329), (6174, 35848), (7056, 31367), (8232, 26886), (8962, 24696), (12348, 17924), (13443, 16464)]