213401656

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 441262080

約数和(自身を除く): 227860424

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 107, 127, 151, 214, 254, 302, 428, 508, 604, 856, 1016, 1208, 1391, 1651, 1963, 2782, 3302, 3926, 5564, 6604, 7852, 11128, 13208, 13589, 15704, 16157, 19177, 27178, 32314, 38354, 54356, 64628, 76708, 108712, 129256, 153416, 176657, 210041, 249301, 353314, 420082, 498602, 706628, 840164, 997204, 1413256, 1680328, 1994408, 2051939, 4103878, 8207756, 16415512, 26675207, 53350414, 106700828, 213401656]

約数ペア:

[(1, 213401656), (2, 106700828), (4, 53350414), (8, 26675207), (13, 16415512), (26, 8207756), (52, 4103878), (104, 2051939), (107, 1994408), (127, 1680328), (151, 1413256), (214, 997204), (254, 840164), (302, 706628), (428, 498602), (508, 420082), (604, 353314), (856, 249301), (1016, 210041), (1208, 176657), (1391, 153416), (1651, 129256), (1963, 108712), (2782, 76708), (3302, 64628), (3926, 54356), (5564, 38354), (6604, 32314), (7852, 27178), (11128, 19177), (13208, 16157), (13589, 15704)]