28066572

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1109}}^1$

素因数の和:1175

約数の個数: 72

約数和(自身を含む): 76767600

約数和(自身を除く): 48701028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 37, 38, 57, 74, 76, 111, 114, 148, 171, 222, 228, 333, 342, 444, 666, 684, 703, 1109, 1332, 1406, 2109, 2218, 2812, 3327, 4218, 4436, 6327, 6654, 8436, 9981, 12654, 13308, 19962, 21071, 25308, 39924, 41033, 42142, 63213, 82066, 84284, 123099, 126426, 164132, 189639, 246198, 252852, 369297, 379278, 492396, 738594, 758556, 779627, 1477188, 1559254, 2338881, 3118508, 4677762, 7016643, 9355524, 14033286, 28066572]

約数ペア:

[(1, 28066572), (2, 14033286), (3, 9355524), (4, 7016643), (6, 4677762), (9, 3118508), (12, 2338881), (18, 1559254), (19, 1477188), (36, 779627), (37, 758556), (38, 738594), (57, 492396), (74, 379278), (76, 369297), (111, 252852), (114, 246198), (148, 189639), (171, 164132), (222, 126426), (228, 123099), (333, 84284), (342, 82066), (444, 63213), (666, 42142), (684, 41033), (703, 39924), (1109, 25308), (1332, 21071), (1406, 19962), (2109, 13308), (2218, 12654), (2812, 9981), (3327, 8436), (4218, 6654), (4436, 6327)]