64897976

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 128

約数和(自身を含む): 156764160

約数和(自身を除く): 91866184

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 34, 44, 47, 52, 68, 71, 88, 94, 104, 136, 142, 143, 187, 188, 221, 284, 286, 374, 376, 442, 517, 568, 572, 611, 748, 781, 799, 884, 923, 1034, 1144, 1207, 1222, 1496, 1562, 1598, 1768, 1846, 2068, 2414, 2431, 2444, 3124, 3196, 3337, 3692, 4136, 4828, 4862, 4888, 6248, 6392, 6674, 6721, 7384, 8789, 9656, 9724, 10153, 10387, 13277, 13348, 13442, 15691, 17578, 19448, 20306, 20774, 26554, 26696, 26884, 31382, 35156, 36707, 40612, 41548, 43381, 53108, 53768, 56729, 62764, 70312, 73414, 81224, 83096, 86762, 106216, 113458, 114257, 125528, 146828, 172601, 173524, 226916, 228514, 293656, 345202, 347048, 453832, 457028, 477191, 624019, 690404, 737477, 914056, 954382, 1248038, 1380808, 1474954, 1908764, 2496076, 2949908, 3817528, 4992152, 5899816, 8112247, 16224494, 32448988, 64897976]

約数ペア:

[(1, 64897976), (2, 32448988), (4, 16224494), (8, 8112247), (11, 5899816), (13, 4992152), (17, 3817528), (22, 2949908), (26, 2496076), (34, 1908764), (44, 1474954), (47, 1380808), (52, 1248038), (68, 954382), (71, 914056), (88, 737477), (94, 690404), (104, 624019), (136, 477191), (142, 457028), (143, 453832), (187, 347048), (188, 345202), (221, 293656), (284, 228514), (286, 226916), (374, 173524), (376, 172601), (442, 146828), (517, 125528), (568, 114257), (572, 113458), (611, 106216), (748, 86762), (781, 83096), (799, 81224), (884, 73414), (923, 70312), (1034, 62764), (1144, 56729), (1207, 53768), (1222, 53108), (1496, 43381), (1562, 41548), (1598, 40612), (1768, 36707), (1846, 35156), (2068, 31382), (2414, 26884), (2431, 26696), (2444, 26554), (3124, 20774), (3196, 20306), (3337, 19448), (3692, 17578), (4136, 15691), (4828, 13442), (4862, 13348), (4888, 13277), (6248, 10387), (6392, 10153), (6674, 9724), (6721, 9656), (7384, 8789)]