81212978

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{463}}^1$

素因数の和:567

約数の個数: 64

約数和(自身を含む): 163565568

約数和(自身を除く): 82352590

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 67, 77, 119, 134, 154, 187, 238, 374, 463, 469, 737, 926, 938, 1139, 1309, 1474, 2278, 2618, 3241, 5093, 5159, 6482, 7871, 7973, 10186, 10318, 12529, 15742, 15946, 25058, 31021, 35651, 55097, 62042, 71302, 86581, 87703, 110194, 173162, 175406, 217147, 341231, 434294, 527357, 606067, 682462, 1054714, 1212134, 2388617, 3691499, 4777234, 5800927, 7382998, 11601854, 40606489, 81212978]

約数ペア:

[(1, 81212978), (2, 40606489), (7, 11601854), (11, 7382998), (14, 5800927), (17, 4777234), (22, 3691499), (34, 2388617), (67, 1212134), (77, 1054714), (119, 682462), (134, 606067), (154, 527357), (187, 434294), (238, 341231), (374, 217147), (463, 175406), (469, 173162), (737, 110194), (926, 87703), (938, 86581), (1139, 71302), (1309, 62042), (1474, 55097), (2278, 35651), (2618, 31021), (3241, 25058), (5093, 15946), (5159, 15742), (6482, 12529), (7871, 10318), (7973, 10186)]