128931404

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1\times {\mathrm{307}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 264515328

約数和(自身を除く): 135583924

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 283, 307, 371, 566, 614, 742, 1132, 1228, 1484, 1981, 2149, 3962, 4298, 7924, 8596, 14999, 16271, 29998, 32542, 59996, 65084, 86881, 104993, 113897, 173762, 209986, 227794, 347524, 419972, 455588, 608167, 1216334, 2432668, 4604693, 9209386, 18418772, 32232851, 64465702, 128931404]

約数ペア:

[(1, 128931404), (2, 64465702), (4, 32232851), (7, 18418772), (14, 9209386), (28, 4604693), (53, 2432668), (106, 1216334), (212, 608167), (283, 455588), (307, 419972), (371, 347524), (566, 227794), (614, 209986), (742, 173762), (1132, 113897), (1228, 104993), (1484, 86881), (1981, 65084), (2149, 59996), (3962, 32542), (4298, 29998), (7924, 16271), (8596, 14999)]