213524528

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{691}}^1$

素因数の和:826

約数の個数: 80

約数和(自身を含む): 494254080

約数和(自身を除く): 280729552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 89, 112, 124, 178, 217, 248, 356, 434, 496, 623, 691, 712, 868, 1246, 1382, 1424, 1736, 2492, 2759, 2764, 3472, 4837, 4984, 5518, 5528, 9674, 9968, 11036, 11056, 19313, 19348, 21421, 22072, 38626, 38696, 42842, 44144, 61499, 77252, 77392, 85684, 122998, 149947, 154504, 171368, 245996, 299894, 309008, 342736, 430493, 491992, 599788, 860986, 983984, 1199576, 1721972, 1906469, 2399152, 3443944, 3812938, 6887888, 7625876, 13345283, 15251752, 26690566, 30503504, 53381132, 106762264, 213524528]

約数ペア:

[(1, 213524528), (2, 106762264), (4, 53381132), (7, 30503504), (8, 26690566), (14, 15251752), (16, 13345283), (28, 7625876), (31, 6887888), (56, 3812938), (62, 3443944), (89, 2399152), (112, 1906469), (124, 1721972), (178, 1199576), (217, 983984), (248, 860986), (356, 599788), (434, 491992), (496, 430493), (623, 342736), (691, 309008), (712, 299894), (868, 245996), (1246, 171368), (1382, 154504), (1424, 149947), (1736, 122998), (2492, 85684), (2759, 77392), (2764, 77252), (3472, 61499), (4837, 44144), (4984, 42842), (5518, 38696), (5528, 38626), (9674, 22072), (9968, 21421), (11036, 19348), (11056, 19313)]