218979488

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{541}}^1$

素因数の和:710

約数の個数: 96

約数和(自身を含む): 535409280

約数和(自身を除く): 316429792

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 139, 182, 208, 224, 278, 364, 416, 541, 556, 728, 973, 1082, 1112, 1456, 1807, 1946, 2164, 2224, 2912, 3614, 3787, 3892, 4328, 4448, 7033, 7228, 7574, 7784, 8656, 12649, 14066, 14456, 15148, 15568, 17312, 25298, 28132, 28912, 30296, 31136, 49231, 50596, 56264, 57824, 60592, 75199, 98462, 101192, 112528, 121184, 150398, 196924, 202384, 225056, 300796, 393848, 404768, 526393, 601592, 787696, 977587, 1052786, 1203184, 1575392, 1955174, 2105572, 2406368, 3910348, 4211144, 6843109, 7820696, 8422288, 13686218, 15641392, 16844576, 27372436, 31282784, 54744872, 109489744, 218979488]

約数ペア:

[(1, 218979488), (2, 109489744), (4, 54744872), (7, 31282784), (8, 27372436), (13, 16844576), (14, 15641392), (16, 13686218), (26, 8422288), (28, 7820696), (32, 6843109), (52, 4211144), (56, 3910348), (91, 2406368), (104, 2105572), (112, 1955174), (139, 1575392), (182, 1203184), (208, 1052786), (224, 977587), (278, 787696), (364, 601592), (416, 526393), (541, 404768), (556, 393848), (728, 300796), (973, 225056), (1082, 202384), (1112, 196924), (1456, 150398), (1807, 121184), (1946, 112528), (2164, 101192), (2224, 98462), (2912, 75199), (3614, 60592), (3787, 57824), (3892, 56264), (4328, 50596), (4448, 49231), (7033, 31136), (7228, 30296), (7574, 28912), (7784, 28132), (8656, 25298), (12649, 17312), (14066, 15568), (14456, 15148)]