28031192028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{353}}^1\times {\mathrm{2267}}^1$

素因数の和:2776

約数の個数: 144

約数和(自身を含む): 81828714240

約数和(自身を除く): 53797522212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 139, 252, 278, 353, 417, 556, 706, 834, 973, 1059, 1251, 1412, 1668, 1946, 2118, 2267, 2471, 2502, 2919, 3177, 3892, 4236, 4534, 4942, 5004, 5838, 6354, 6801, 7413, 8757, 9068, 9884, 11676, 12708, 13602, 14826, 15869, 17514, 20403, 22239, 27204, 29652, 31738, 35028, 40806, 44478, 47607, 49067, 63476, 81612, 88956, 95214, 98134, 142821, 147201, 190428, 196268, 285642, 294402, 315113, 343469, 441603, 571284, 588804, 630226, 686938, 800251, 883206, 945339, 1030407, 1260452, 1373876, 1600502, 1766412, 1890678, 2060814, 2205791, 2400753, 2836017, 3091221, 3201004, 3781356, 4121628, 4411582, 4801506, 5601757, 5672034, 6182442, 6617373, 7202259, 8823164, 9603012, 11203514, 11344068, 12364884, 13234746, 14404518, 16805271, 19852119, 22407028, 26469492, 28809036, 33610542, 39704238, 50415813, 67221084, 79408476, 100831626, 111234889, 201663252, 222469778, 333704667, 444939556, 667409334, 778644223, 1001114001, 1334818668, 1557288446, 2002228002, 2335932669, 3114576892, 4004456004, 4671865338, 7007798007, 9343730676, 14015596014, 28031192028]

約数ペア:

[(1, 28031192028), (2, 14015596014), (3, 9343730676), (4, 7007798007), (6, 4671865338), (7, 4004456004), (9, 3114576892), (12, 2335932669), (14, 2002228002), (18, 1557288446), (21, 1334818668), (28, 1001114001), (36, 778644223), (42, 667409334), (63, 444939556), (84, 333704667), (126, 222469778), (139, 201663252), (252, 111234889), (278, 100831626), (353, 79408476), (417, 67221084), (556, 50415813), (706, 39704238), (834, 33610542), (973, 28809036), (1059, 26469492), (1251, 22407028), (1412, 19852119), (1668, 16805271), (1946, 14404518), (2118, 13234746), (2267, 12364884), (2471, 11344068), (2502, 11203514), (2919, 9603012), (3177, 8823164), (3892, 7202259), (4236, 6617373), (4534, 6182442), (4942, 5672034), (5004, 5601757), (5838, 4801506), (6354, 4411582), (6801, 4121628), (7413, 3781356), (8757, 3201004), (9068, 3091221), (9884, 2836017), (11676, 2400753), (12708, 2205791), (13602, 2060814), (14826, 1890678), (15869, 1766412), (17514, 1600502), (20403, 1373876), (22239, 1260452), (27204, 1030407), (29652, 945339), (31738, 883206), (35028, 800251), (40806, 686938), (44478, 630226), (47607, 588804), (49067, 571284), (63476, 441603), (81612, 343469), (88956, 315113), (95214, 294402), (98134, 285642), (142821, 196268), (147201, 190428)]