28161826

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 57729024

約数和(自身を除く): 29567198

約数列:

[1, 2, 7, 11, 14, 17, 22, 31, 34, 62, 77, 119, 154, 187, 217, 238, 341, 347, 374, 434, 527, 682, 694, 1054, 1309, 2387, 2429, 2618, 3689, 3817, 4774, 4858, 5797, 5899, 7378, 7634, 10757, 11594, 11798, 21514, 26719, 40579, 41293, 53438, 64889, 75299, 81158, 82586, 118327, 129778, 150598, 182869, 236654, 365738, 454223, 828289, 908446, 1280083, 1656578, 2011559, 2560166, 4023118, 14080913, 28161826]

約数ペア:

[(1, 28161826), (2, 14080913), (7, 4023118), (11, 2560166), (14, 2011559), (17, 1656578), (22, 1280083), (31, 908446), (34, 828289), (62, 454223), (77, 365738), (119, 236654), (154, 182869), (187, 150598), (217, 129778), (238, 118327), (341, 82586), (347, 81158), (374, 75299), (434, 64889), (527, 53438), (682, 41293), (694, 40579), (1054, 26719), (1309, 21514), (2387, 11798), (2429, 11594), (2618, 10757), (3689, 7634), (3817, 7378), (4774, 5899), (4858, 5797)]