81648688

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{941}}^1$

素因数の和:1006

約数の個数: 80

約数和(自身を含む): 189228960

約数和(自身を除く): 107580272

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 29, 34, 44, 58, 68, 88, 116, 136, 176, 187, 232, 272, 319, 374, 464, 493, 638, 748, 941, 986, 1276, 1496, 1882, 1972, 2552, 2992, 3764, 3944, 5104, 5423, 7528, 7888, 10351, 10846, 15056, 15997, 20702, 21692, 27289, 31994, 41404, 43384, 54578, 63988, 82808, 86768, 109156, 127976, 165616, 175967, 218312, 255952, 300179, 351934, 436624, 463913, 600358, 703868, 927826, 1200716, 1407736, 1855652, 2401432, 2815472, 3711304, 4802864, 5103043, 7422608, 10206086, 20412172, 40824344, 81648688]

約数ペア:

[(1, 81648688), (2, 40824344), (4, 20412172), (8, 10206086), (11, 7422608), (16, 5103043), (17, 4802864), (22, 3711304), (29, 2815472), (34, 2401432), (44, 1855652), (58, 1407736), (68, 1200716), (88, 927826), (116, 703868), (136, 600358), (176, 463913), (187, 436624), (232, 351934), (272, 300179), (319, 255952), (374, 218312), (464, 175967), (493, 165616), (638, 127976), (748, 109156), (941, 86768), (986, 82808), (1276, 63988), (1496, 54578), (1882, 43384), (1972, 41404), (2552, 31994), (2992, 27289), (3764, 21692), (3944, 20702), (5104, 15997), (5423, 15056), (7528, 10846), (7888, 10351)]