521215156

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1601}}^1$

素因数の和:1781

約数の個数: 72

約数和(自身を含む): 1165897152

約数和(自身を除く): 644681996

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 151, 154, 196, 302, 308, 539, 604, 1057, 1078, 1601, 1661, 2114, 2156, 3202, 3322, 4228, 6404, 6644, 7399, 11207, 11627, 14798, 17611, 22414, 23254, 29596, 35222, 44828, 46508, 70444, 78449, 81389, 123277, 156898, 162778, 241751, 246554, 313796, 325556, 483502, 493108, 862939, 967004, 1692257, 1725878, 2659261, 3384514, 3451756, 5318522, 6769028, 10637044, 11845799, 18614827, 23691598, 37229654, 47383196, 74459308, 130303789, 260607578, 521215156]

約数ペア:

[(1, 521215156), (2, 260607578), (4, 130303789), (7, 74459308), (11, 47383196), (14, 37229654), (22, 23691598), (28, 18614827), (44, 11845799), (49, 10637044), (77, 6769028), (98, 5318522), (151, 3451756), (154, 3384514), (196, 2659261), (302, 1725878), (308, 1692257), (539, 967004), (604, 862939), (1057, 493108), (1078, 483502), (1601, 325556), (1661, 313796), (2114, 246554), (2156, 241751), (3202, 162778), (3322, 156898), (4228, 123277), (6404, 81389), (6644, 78449), (7399, 70444), (11207, 46508), (11627, 44828), (14798, 35222), (17611, 29596), (22414, 23254)]