2019401272

素因数分解:

$2^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{557}}^1\times {\mathrm{641}}^1$

素因数の和:1312

約数の個数: 64

約数和(自身を含む): 4384808640

約数和(自身を除く): 2365407368

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 101, 202, 404, 557, 641, 707, 808, 1114, 1282, 1414, 2228, 2564, 2828, 3899, 4456, 4487, 5128, 5656, 7798, 8974, 15596, 17948, 31192, 35896, 56257, 64741, 112514, 129482, 225028, 258964, 357037, 393799, 450056, 453187, 517928, 714074, 787598, 906374, 1428148, 1575196, 1812748, 2499259, 2856296, 3150392, 3625496, 4998518, 9997036, 19994072, 36060737, 72121474, 144242948, 252425159, 288485896, 504850318, 1009700636, 2019401272]

約数ペア:

[(1, 2019401272), (2, 1009700636), (4, 504850318), (7, 288485896), (8, 252425159), (14, 144242948), (28, 72121474), (56, 36060737), (101, 19994072), (202, 9997036), (404, 4998518), (557, 3625496), (641, 3150392), (707, 2856296), (808, 2499259), (1114, 1812748), (1282, 1575196), (1414, 1428148), (2228, 906374), (2564, 787598), (2828, 714074), (3899, 517928), (4456, 453187), (4487, 450056), (5128, 393799), (5656, 357037), (7798, 258964), (8974, 225028), (15596, 129482), (17948, 112514), (31192, 64741), (35896, 56257)]