81696732

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:723

約数の個数: 96

約数和(自身を含む): 221464320

約数和(自身を除く): 139767588

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 43, 52, 57, 76, 78, 86, 114, 129, 156, 172, 228, 247, 258, 494, 516, 559, 641, 741, 817, 988, 1118, 1282, 1482, 1634, 1677, 1923, 2236, 2451, 2564, 2964, 3268, 3354, 3846, 4902, 6708, 7692, 8333, 9804, 10621, 12179, 16666, 21242, 24358, 24999, 27563, 31863, 33332, 36537, 42484, 48716, 49998, 55126, 63726, 73074, 82689, 99996, 110252, 127452, 146148, 158327, 165378, 316654, 330756, 358319, 474981, 523697, 633308, 716638, 949962, 1047394, 1074957, 1433276, 1571091, 1899924, 2094788, 2149914, 3142182, 4299828, 6284364, 6808061, 13616122, 20424183, 27232244, 40848366, 81696732]

約数ペア:

[(1, 81696732), (2, 40848366), (3, 27232244), (4, 20424183), (6, 13616122), (12, 6808061), (13, 6284364), (19, 4299828), (26, 3142182), (38, 2149914), (39, 2094788), (43, 1899924), (52, 1571091), (57, 1433276), (76, 1074957), (78, 1047394), (86, 949962), (114, 716638), (129, 633308), (156, 523697), (172, 474981), (228, 358319), (247, 330756), (258, 316654), (494, 165378), (516, 158327), (559, 146148), (641, 127452), (741, 110252), (817, 99996), (988, 82689), (1118, 73074), (1282, 63726), (1482, 55126), (1634, 49998), (1677, 48716), (1923, 42484), (2236, 36537), (2451, 33332), (2564, 31863), (2964, 27563), (3268, 24999), (3354, 24358), (3846, 21242), (4902, 16666), (6708, 12179), (7692, 10621), (8333, 9804)]