216321588

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{2039}}^1$

素因数の和:2477

約数の個数: 72

約数和(自身を含む): 626720640

約数和(自身を除く): 410399052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 421, 842, 1263, 1684, 2039, 2526, 2947, 3789, 4078, 5052, 5894, 6117, 7578, 8156, 8841, 11788, 12234, 14273, 15156, 17682, 18351, 24468, 26523, 28546, 35364, 36702, 42819, 53046, 57092, 73404, 85638, 106092, 128457, 171276, 256914, 513828, 858419, 1716838, 2575257, 3433676, 5150514, 6008933, 7725771, 10301028, 12017866, 15451542, 18026799, 24035732, 30903084, 36053598, 54080397, 72107196, 108160794, 216321588]

約数ペア:

[(1, 216321588), (2, 108160794), (3, 72107196), (4, 54080397), (6, 36053598), (7, 30903084), (9, 24035732), (12, 18026799), (14, 15451542), (18, 12017866), (21, 10301028), (28, 7725771), (36, 6008933), (42, 5150514), (63, 3433676), (84, 2575257), (126, 1716838), (252, 858419), (421, 513828), (842, 256914), (1263, 171276), (1684, 128457), (2039, 106092), (2526, 85638), (2947, 73404), (3789, 57092), (4078, 53046), (5052, 42819), (5894, 36702), (6117, 35364), (7578, 28546), (8156, 26523), (8841, 24468), (11788, 18351), (12234, 17682), (14273, 15156)]