81374986

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:212

約数の個数: 96

約数和(自身を含む): 169905600

約数和(自身を除く): 88530614

約数列:

[1, 2, 7, 11, 14, 19, 22, 29, 38, 49, 58, 77, 98, 133, 137, 154, 203, 209, 266, 274, 319, 406, 418, 539, 551, 638, 931, 959, 1078, 1102, 1421, 1463, 1507, 1862, 1918, 2233, 2603, 2842, 2926, 3014, 3857, 3973, 4466, 5206, 6061, 6713, 7714, 7946, 10241, 10549, 12122, 13426, 15631, 18221, 20482, 21098, 26999, 27811, 28633, 31262, 36442, 42427, 43703, 53998, 55622, 57266, 73843, 75487, 84854, 87406, 127547, 147686, 150974, 194677, 200431, 255094, 296989, 305921, 389354, 400862, 528409, 593978, 611842, 830357, 1056818, 1403017, 1660714, 2141447, 2806034, 3698863, 4282894, 5812499, 7397726, 11624998, 40687493, 81374986]

約数ペア:

[(1, 81374986), (2, 40687493), (7, 11624998), (11, 7397726), (14, 5812499), (19, 4282894), (22, 3698863), (29, 2806034), (38, 2141447), (49, 1660714), (58, 1403017), (77, 1056818), (98, 830357), (133, 611842), (137, 593978), (154, 528409), (203, 400862), (209, 389354), (266, 305921), (274, 296989), (319, 255094), (406, 200431), (418, 194677), (539, 150974), (551, 147686), (638, 127547), (931, 87406), (959, 84854), (1078, 75487), (1102, 73843), (1421, 57266), (1463, 55622), (1507, 53998), (1862, 43703), (1918, 42427), (2233, 36442), (2603, 31262), (2842, 28633), (2926, 27811), (3014, 26999), (3857, 21098), (3973, 20482), (4466, 18221), (5206, 15631), (6061, 13426), (6713, 12122), (7714, 10549), (7946, 10241)]