2007291385

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 2966261760

約数和(自身を除く): 958970375

約数列:

[1, 5, 11, 19, 31, 43, 55, 95, 121, 131, 155, 209, 215, 341, 473, 589, 605, 655, 817, 1045, 1333, 1441, 1705, 2299, 2365, 2489, 2945, 3751, 4061, 4085, 5203, 5633, 6479, 6665, 7205, 8987, 11495, 12445, 14663, 15851, 18755, 20305, 25327, 26015, 27379, 28165, 32395, 44671, 44935, 61963, 71269, 73315, 77159, 79255, 98857, 107027, 126635, 136895, 161293, 174623, 223355, 278597, 301169, 309815, 356345, 385795, 491381, 494285, 535135, 681593, 806465, 848749, 873115, 1177297, 1392985, 1505845, 1920853, 2456905, 3064567, 3317837, 3407965, 4243745, 5886485, 9336239, 9604265, 12950267, 15322835, 16589185, 21129383, 36496207, 46681195, 64751335, 105646915, 182481035, 401458277, 2007291385]

約数ペア:

[(1, 2007291385), (5, 401458277), (11, 182481035), (19, 105646915), (31, 64751335), (43, 46681195), (55, 36496207), (95, 21129383), (121, 16589185), (131, 15322835), (155, 12950267), (209, 9604265), (215, 9336239), (341, 5886485), (473, 4243745), (589, 3407965), (605, 3317837), (655, 3064567), (817, 2456905), (1045, 1920853), (1333, 1505845), (1441, 1392985), (1705, 1177297), (2299, 873115), (2365, 848749), (2489, 806465), (2945, 681593), (3751, 535135), (4061, 494285), (4085, 491381), (5203, 385795), (5633, 356345), (6479, 309815), (6665, 301169), (7205, 278597), (8987, 223355), (11495, 174623), (12445, 161293), (14663, 136895), (15851, 126635), (18755, 107027), (20305, 98857), (25327, 79255), (26015, 77159), (27379, 73315), (28165, 71269), (32395, 61963), (44671, 44935)]