66991288

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5413}}^1$

素因数の和:5456

約数の個数: 64

約数和(自身を含む): 163719360

約数和(自身を除く): 96728072

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 136, 182, 221, 238, 364, 442, 476, 728, 884, 952, 1547, 1768, 3094, 5413, 6188, 10826, 12376, 21652, 37891, 43304, 70369, 75782, 92021, 140738, 151564, 184042, 281476, 303128, 368084, 492583, 562952, 644147, 736168, 985166, 1196273, 1288294, 1970332, 2392546, 2576588, 3940664, 4785092, 5153176, 8373911, 9570184, 16747822, 33495644, 66991288]

約数ペア:

[(1, 66991288), (2, 33495644), (4, 16747822), (7, 9570184), (8, 8373911), (13, 5153176), (14, 4785092), (17, 3940664), (26, 2576588), (28, 2392546), (34, 1970332), (52, 1288294), (56, 1196273), (68, 985166), (91, 736168), (104, 644147), (119, 562952), (136, 492583), (182, 368084), (221, 303128), (238, 281476), (364, 184042), (442, 151564), (476, 140738), (728, 92021), (884, 75782), (952, 70369), (1547, 43304), (1768, 37891), (3094, 21652), (5413, 12376), (6188, 10826)]