31123716

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 79934400

約数和(自身を除く): 48810684

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 103, 149, 156, 169, 206, 298, 309, 338, 412, 447, 507, 596, 618, 676, 894, 1014, 1236, 1339, 1788, 1937, 2028, 2678, 3874, 4017, 5356, 5811, 7748, 8034, 11622, 15347, 16068, 17407, 23244, 25181, 30694, 34814, 46041, 50362, 52221, 61388, 69628, 75543, 92082, 100724, 104442, 151086, 184164, 199511, 208884, 302172, 399022, 598533, 798044, 1197066, 2394132, 2593643, 5187286, 7780929, 10374572, 15561858, 31123716]

約数ペア:

[(1, 31123716), (2, 15561858), (3, 10374572), (4, 7780929), (6, 5187286), (12, 2593643), (13, 2394132), (26, 1197066), (39, 798044), (52, 598533), (78, 399022), (103, 302172), (149, 208884), (156, 199511), (169, 184164), (206, 151086), (298, 104442), (309, 100724), (338, 92082), (412, 75543), (447, 69628), (507, 61388), (596, 52221), (618, 50362), (676, 46041), (894, 34814), (1014, 30694), (1236, 25181), (1339, 23244), (1788, 17407), (1937, 16068), (2028, 15347), (2678, 11622), (3874, 8034), (4017, 7748), (5356, 5811)]