81356968

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{457}}^1$

素因数の和:515

約数の個数: 96

約数和(自身を含む): 202472640

約数和(自身を除く): 121115672

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 44, 56, 68, 77, 88, 119, 136, 154, 187, 238, 289, 308, 374, 457, 476, 578, 616, 748, 914, 952, 1156, 1309, 1496, 1828, 2023, 2312, 2618, 3179, 3199, 3656, 4046, 5027, 5236, 6358, 6398, 7769, 8092, 10054, 10472, 12716, 12796, 15538, 16184, 20108, 22253, 25432, 25592, 31076, 35189, 40216, 44506, 54383, 62152, 70378, 85459, 89012, 108766, 132073, 140756, 170918, 178024, 217532, 264146, 281512, 341836, 435064, 528292, 598213, 683672, 924511, 1056584, 1196426, 1452803, 1849022, 2392852, 2905606, 3698044, 4785704, 5811212, 7396088, 10169621, 11622424, 20339242, 40678484, 81356968]

約数ペア:

[(1, 81356968), (2, 40678484), (4, 20339242), (7, 11622424), (8, 10169621), (11, 7396088), (14, 5811212), (17, 4785704), (22, 3698044), (28, 2905606), (34, 2392852), (44, 1849022), (56, 1452803), (68, 1196426), (77, 1056584), (88, 924511), (119, 683672), (136, 598213), (154, 528292), (187, 435064), (238, 341836), (289, 281512), (308, 264146), (374, 217532), (457, 178024), (476, 170918), (578, 140756), (616, 132073), (748, 108766), (914, 89012), (952, 85459), (1156, 70378), (1309, 62152), (1496, 54383), (1828, 44506), (2023, 40216), (2312, 35189), (2618, 31076), (3179, 25592), (3199, 25432), (3656, 22253), (4046, 20108), (5027, 16184), (5236, 15538), (6358, 12796), (6398, 12716), (7769, 10472), (8092, 10054)]