161122976

素因数分解:

$2^5\times 7^2\times {\mathrm{211}}^1\times {\mathrm{487}}^1$

素因数の和:722

約数の個数: 72

約数和(自身を含む): 371510496

約数和(自身を除く): 210387520

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 211, 224, 392, 422, 487, 784, 844, 974, 1477, 1568, 1688, 1948, 2954, 3376, 3409, 3896, 5908, 6752, 6818, 7792, 10339, 11816, 13636, 15584, 20678, 23632, 23863, 27272, 41356, 47264, 47726, 54544, 82712, 95452, 102757, 109088, 165424, 190904, 205514, 330848, 381808, 411028, 719299, 763616, 822056, 1438598, 1644112, 2877196, 3288224, 5035093, 5754392, 10070186, 11508784, 20140372, 23017568, 40280744, 80561488, 161122976]

約数ペア:

[(1, 161122976), (2, 80561488), (4, 40280744), (7, 23017568), (8, 20140372), (14, 11508784), (16, 10070186), (28, 5754392), (32, 5035093), (49, 3288224), (56, 2877196), (98, 1644112), (112, 1438598), (196, 822056), (211, 763616), (224, 719299), (392, 411028), (422, 381808), (487, 330848), (784, 205514), (844, 190904), (974, 165424), (1477, 109088), (1568, 102757), (1688, 95452), (1948, 82712), (2954, 54544), (3376, 47726), (3409, 47264), (3896, 41356), (5908, 27272), (6752, 23863), (6818, 23632), (7792, 20678), (10339, 15584), (11816, 13636)]