71428278

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 154441728

約数和(自身を除く): 83013450

約数列:

[1, 2, 3, 6, 31, 37, 62, 74, 93, 97, 107, 111, 186, 194, 214, 222, 291, 321, 582, 642, 1147, 2294, 3007, 3317, 3441, 3589, 3959, 6014, 6634, 6882, 7178, 7918, 9021, 9951, 10379, 10767, 11877, 18042, 19902, 20758, 21534, 23754, 31137, 62274, 111259, 122729, 222518, 245458, 321749, 333777, 368187, 384023, 643498, 667554, 736374, 768046, 965247, 1152069, 1930494, 2304138, 11904713, 23809426, 35714139, 71428278]

約数ペア:

[(1, 71428278), (2, 35714139), (3, 23809426), (6, 11904713), (31, 2304138), (37, 1930494), (62, 1152069), (74, 965247), (93, 768046), (97, 736374), (107, 667554), (111, 643498), (186, 384023), (194, 368187), (214, 333777), (222, 321749), (291, 245458), (321, 222518), (582, 122729), (642, 111259), (1147, 62274), (2294, 31137), (3007, 23754), (3317, 21534), (3441, 20758), (3589, 19902), (3959, 18042), (6014, 11877), (6634, 10767), (6882, 10379), (7178, 9951), (7918, 9021)]