78421278

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{937}}^1$

素因数の和:1021

約数の個数: 64

約数和(自身を含む): 179645760

約数和(自身を除く): 101224482

約数列:

[1, 2, 3, 6, 13, 26, 29, 37, 39, 58, 74, 78, 87, 111, 174, 222, 377, 481, 754, 937, 962, 1073, 1131, 1443, 1874, 2146, 2262, 2811, 2886, 3219, 5622, 6438, 12181, 13949, 24362, 27173, 27898, 34669, 36543, 41847, 54346, 69338, 73086, 81519, 83694, 104007, 163038, 208014, 353249, 450697, 706498, 901394, 1005401, 1059747, 1352091, 2010802, 2119494, 2704182, 3016203, 6032406, 13070213, 26140426, 39210639, 78421278]

約数ペア:

[(1, 78421278), (2, 39210639), (3, 26140426), (6, 13070213), (13, 6032406), (26, 3016203), (29, 2704182), (37, 2119494), (39, 2010802), (58, 1352091), (74, 1059747), (78, 1005401), (87, 901394), (111, 706498), (174, 450697), (222, 353249), (377, 208014), (481, 163038), (754, 104007), (937, 83694), (962, 81519), (1073, 73086), (1131, 69338), (1443, 54346), (1874, 41847), (2146, 36543), (2262, 34669), (2811, 27898), (2886, 27173), (3219, 24362), (5622, 13949), (6438, 12181)]