64243136

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{431}}^1$

素因数の和:597

約数の個数: 56

約数和(自身を含む): 136282176

約数和(自身を除く): 72039040

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 137, 272, 274, 431, 544, 548, 862, 1088, 1096, 1724, 2192, 2329, 3448, 4384, 4658, 6896, 7327, 8768, 9316, 13792, 14654, 18632, 27584, 29308, 37264, 58616, 59047, 74528, 117232, 118094, 149056, 234464, 236188, 468928, 472376, 944752, 1003799, 1889504, 2007598, 3779008, 4015196, 8030392, 16060784, 32121568, 64243136]

約数ペア:

[(1, 64243136), (2, 32121568), (4, 16060784), (8, 8030392), (16, 4015196), (17, 3779008), (32, 2007598), (34, 1889504), (64, 1003799), (68, 944752), (136, 472376), (137, 468928), (272, 236188), (274, 234464), (431, 149056), (544, 118094), (548, 117232), (862, 74528), (1088, 59047), (1096, 58616), (1724, 37264), (2192, 29308), (2329, 27584), (3448, 18632), (4384, 14654), (4658, 13792), (6896, 9316), (7327, 8768)]