78811278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:222

約数の個数: 128

約数和(自身を含む): 209018880

約数和(自身を除く): 130207602

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 71, 78, 91, 107, 114, 133, 142, 182, 213, 214, 247, 266, 273, 321, 399, 426, 494, 497, 546, 642, 741, 749, 798, 923, 994, 1349, 1391, 1482, 1491, 1498, 1729, 1846, 2033, 2247, 2698, 2769, 2782, 2982, 3458, 4047, 4066, 4173, 4494, 5187, 5538, 6099, 6461, 7597, 8094, 8346, 9443, 9737, 10374, 12198, 12922, 14231, 15194, 17537, 18886, 19383, 19474, 22791, 26429, 28329, 28462, 29211, 35074, 38766, 42693, 45582, 52611, 52858, 53179, 56658, 58422, 79287, 85386, 98761, 105222, 106358, 122759, 144343, 158574, 159537, 185003, 197522, 245518, 288686, 296283, 319074, 368277, 370006, 433029, 555009, 592566, 691327, 736554, 866058, 1010401, 1110018, 1382654, 1876459, 2020802, 2073981, 3031203, 3752918, 4147962, 5629377, 6062406, 11258754, 13135213, 26270426, 39405639, 78811278]

約数ペア:

[(1, 78811278), (2, 39405639), (3, 26270426), (6, 13135213), (7, 11258754), (13, 6062406), (14, 5629377), (19, 4147962), (21, 3752918), (26, 3031203), (38, 2073981), (39, 2020802), (42, 1876459), (57, 1382654), (71, 1110018), (78, 1010401), (91, 866058), (107, 736554), (114, 691327), (133, 592566), (142, 555009), (182, 433029), (213, 370006), (214, 368277), (247, 319074), (266, 296283), (273, 288686), (321, 245518), (399, 197522), (426, 185003), (494, 159537), (497, 158574), (546, 144343), (642, 122759), (741, 106358), (749, 105222), (798, 98761), (923, 85386), (994, 79287), (1349, 58422), (1391, 56658), (1482, 53179), (1491, 52858), (1498, 52611), (1729, 45582), (1846, 42693), (2033, 38766), (2247, 35074), (2698, 29211), (2769, 28462), (2782, 28329), (2982, 26429), (3458, 22791), (4047, 19474), (4066, 19383), (4173, 18886), (4494, 17537), (5187, 15194), (5538, 14231), (6099, 12922), (6461, 12198), (7597, 10374), (8094, 9737), (8346, 9443)]