218051456

素因数分解:

$2^7\times 7^1\times {\mathrm{397}}^1\times {\mathrm{613}}^1$

素因数の和:1031

約数の個数: 64

約数和(自身を含む): 498518880

約数和(自身を除く): 280467424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 397, 448, 613, 794, 896, 1226, 1588, 2452, 2779, 3176, 4291, 4904, 5558, 6352, 8582, 9808, 11116, 12704, 17164, 19616, 22232, 25408, 34328, 39232, 44464, 50816, 68656, 78464, 88928, 137312, 177856, 243361, 274624, 355712, 486722, 549248, 973444, 1703527, 1946888, 3407054, 3893776, 6814108, 7787552, 13628216, 15575104, 27256432, 31150208, 54512864, 109025728, 218051456]

約数ペア:

[(1, 218051456), (2, 109025728), (4, 54512864), (7, 31150208), (8, 27256432), (14, 15575104), (16, 13628216), (28, 7787552), (32, 6814108), (56, 3893776), (64, 3407054), (112, 1946888), (128, 1703527), (224, 973444), (397, 549248), (448, 486722), (613, 355712), (794, 274624), (896, 243361), (1226, 177856), (1588, 137312), (2452, 88928), (2779, 78464), (3176, 68656), (4291, 50816), (4904, 44464), (5558, 39232), (6352, 34328), (8582, 25408), (9808, 22232), (11116, 19616), (12704, 17164)]