81769996

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 191116800

約数和(自身を除く): 109346804

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 89, 133, 154, 157, 178, 209, 266, 308, 314, 356, 418, 532, 623, 628, 836, 979, 1099, 1246, 1463, 1691, 1727, 1958, 2198, 2492, 2926, 2983, 3382, 3454, 3916, 4396, 5852, 5966, 6764, 6853, 6908, 11837, 11932, 12089, 13706, 13973, 18601, 20881, 23674, 24178, 27412, 27946, 32813, 37202, 41762, 47348, 48356, 55892, 65626, 74404, 83524, 97811, 130207, 131252, 153703, 195622, 229691, 260414, 265487, 307406, 391244, 459382, 520828, 530974, 614812, 918764, 1061948, 1075921, 1858409, 2151842, 2920357, 3716818, 4303684, 5840714, 7433636, 11681428, 20442499, 40884998, 81769996]

約数ペア:

[(1, 81769996), (2, 40884998), (4, 20442499), (7, 11681428), (11, 7433636), (14, 5840714), (19, 4303684), (22, 3716818), (28, 2920357), (38, 2151842), (44, 1858409), (76, 1075921), (77, 1061948), (89, 918764), (133, 614812), (154, 530974), (157, 520828), (178, 459382), (209, 391244), (266, 307406), (308, 265487), (314, 260414), (356, 229691), (418, 195622), (532, 153703), (623, 131252), (628, 130207), (836, 97811), (979, 83524), (1099, 74404), (1246, 65626), (1463, 55892), (1691, 48356), (1727, 47348), (1958, 41762), (2198, 37202), (2492, 32813), (2926, 27946), (2983, 27412), (3382, 24178), (3454, 23674), (3916, 20881), (4396, 18601), (5852, 13973), (5966, 13706), (6764, 12089), (6853, 11932), (6908, 11837)]