251239716

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1447}}^1$

素因数の和:1530

約数の個数: 144

約数和(自身を含む): 796932864

約数和(自身を除く): 545693148

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 53, 63, 78, 84, 91, 106, 117, 126, 156, 159, 182, 212, 234, 252, 273, 318, 364, 371, 468, 477, 546, 636, 689, 742, 819, 954, 1092, 1113, 1378, 1447, 1484, 1638, 1908, 2067, 2226, 2756, 2894, 3276, 3339, 4134, 4341, 4452, 4823, 5788, 6201, 6678, 8268, 8682, 9646, 10129, 12402, 13023, 13356, 14469, 17364, 18811, 19292, 20258, 24804, 26046, 28938, 30387, 37622, 40516, 43407, 52092, 56433, 57876, 60774, 75244, 76691, 86814, 91161, 112866, 121548, 131677, 153382, 169299, 173628, 182322, 225732, 230073, 263354, 306764, 338598, 364644, 395031, 460146, 526708, 536837, 677196, 690219, 790062, 920292, 996983, 1073674, 1185093, 1380438, 1580124, 1610511, 1993966, 2147348, 2370186, 2760876, 2990949, 3221022, 3987932, 4740372, 4831533, 5981898, 6442044, 6978881, 8972847, 9663066, 11963796, 13957762, 17945694, 19326132, 20936643, 27915524, 35891388, 41873286, 62809929, 83746572, 125619858, 251239716]

約数ペア:

[(1, 251239716), (2, 125619858), (3, 83746572), (4, 62809929), (6, 41873286), (7, 35891388), (9, 27915524), (12, 20936643), (13, 19326132), (14, 17945694), (18, 13957762), (21, 11963796), (26, 9663066), (28, 8972847), (36, 6978881), (39, 6442044), (42, 5981898), (52, 4831533), (53, 4740372), (63, 3987932), (78, 3221022), (84, 2990949), (91, 2760876), (106, 2370186), (117, 2147348), (126, 1993966), (156, 1610511), (159, 1580124), (182, 1380438), (212, 1185093), (234, 1073674), (252, 996983), (273, 920292), (318, 790062), (364, 690219), (371, 677196), (468, 536837), (477, 526708), (546, 460146), (636, 395031), (689, 364644), (742, 338598), (819, 306764), (954, 263354), (1092, 230073), (1113, 225732), (1378, 182322), (1447, 173628), (1484, 169299), (1638, 153382), (1908, 131677), (2067, 121548), (2226, 112866), (2756, 91161), (2894, 86814), (3276, 76691), (3339, 75244), (4134, 60774), (4341, 57876), (4452, 56433), (4823, 52092), (5788, 43407), (6201, 40516), (6678, 37622), (8268, 30387), (8682, 28938), (9646, 26046), (10129, 24804), (12402, 20258), (13023, 19292), (13356, 18811), (14469, 17364)]