221205712

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1093}}^1$

素因数の和:1260

約数の個数: 80

約数和(自身を含む): 531771520

約数和(自身を除く): 310565808

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 139, 182, 208, 278, 364, 556, 728, 973, 1093, 1112, 1456, 1807, 1946, 2186, 2224, 3614, 3892, 4372, 7228, 7651, 7784, 8744, 12649, 14209, 14456, 15302, 15568, 17488, 25298, 28418, 28912, 30604, 50596, 56836, 61208, 99463, 101192, 113672, 122416, 151927, 198926, 202384, 227344, 303854, 397852, 607708, 795704, 1063489, 1215416, 1591408, 1975051, 2126978, 2430832, 3950102, 4253956, 7900204, 8507912, 13825357, 15800408, 17015824, 27650714, 31600816, 55301428, 110602856, 221205712]

約数ペア:

[(1, 221205712), (2, 110602856), (4, 55301428), (7, 31600816), (8, 27650714), (13, 17015824), (14, 15800408), (16, 13825357), (26, 8507912), (28, 7900204), (52, 4253956), (56, 3950102), (91, 2430832), (104, 2126978), (112, 1975051), (139, 1591408), (182, 1215416), (208, 1063489), (278, 795704), (364, 607708), (556, 397852), (728, 303854), (973, 227344), (1093, 202384), (1112, 198926), (1456, 151927), (1807, 122416), (1946, 113672), (2186, 101192), (2224, 99463), (3614, 61208), (3892, 56836), (4372, 50596), (7228, 30604), (7651, 28912), (7784, 28418), (8744, 25298), (12649, 17488), (14209, 15568), (14456, 15302)]