1644994736

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{28409}}^1$

素因数の和:28482

約数の個数: 80

約数和(自身を含む): 4058311680

約数和(自身を除く): 2413316944

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 47, 56, 77, 88, 94, 112, 154, 176, 188, 308, 329, 376, 517, 616, 658, 752, 1034, 1232, 1316, 2068, 2632, 3619, 4136, 5264, 7238, 8272, 14476, 28409, 28952, 56818, 57904, 113636, 198863, 227272, 312499, 397726, 454544, 624998, 795452, 1249996, 1335223, 1590904, 2187493, 2499992, 2670446, 3181808, 4374986, 4999984, 5340892, 8749972, 9346561, 10681784, 14687453, 17499944, 18693122, 21363568, 29374906, 34999888, 37386244, 58749812, 74772488, 102812171, 117499624, 149544976, 205624342, 234999248, 411248684, 822497368, 1644994736]

約数ペア:

[(1, 1644994736), (2, 822497368), (4, 411248684), (7, 234999248), (8, 205624342), (11, 149544976), (14, 117499624), (16, 102812171), (22, 74772488), (28, 58749812), (44, 37386244), (47, 34999888), (56, 29374906), (77, 21363568), (88, 18693122), (94, 17499944), (112, 14687453), (154, 10681784), (176, 9346561), (188, 8749972), (308, 5340892), (329, 4999984), (376, 4374986), (517, 3181808), (616, 2670446), (658, 2499992), (752, 2187493), (1034, 1590904), (1232, 1335223), (1316, 1249996), (2068, 795452), (2632, 624998), (3619, 454544), (4136, 397726), (5264, 312499), (7238, 227272), (8272, 198863), (14476, 113636), (28409, 57904), (28952, 56818)]