213778972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{1097}}^1$

素因数の和:1258

約数の個数: 48

約数和(自身を含む): 422053632

約数和(自身を除く): 208274660

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 103, 172, 206, 412, 473, 946, 1097, 1133, 1892, 2194, 2266, 4388, 4429, 4532, 8858, 12067, 17716, 24134, 47171, 48268, 48719, 94342, 97438, 112991, 188684, 194876, 225982, 451964, 518881, 1037762, 1242901, 2075524, 2485802, 4858613, 4971604, 9717226, 19434452, 53444743, 106889486, 213778972]

約数ペア:

[(1, 213778972), (2, 106889486), (4, 53444743), (11, 19434452), (22, 9717226), (43, 4971604), (44, 4858613), (86, 2485802), (103, 2075524), (172, 1242901), (206, 1037762), (412, 518881), (473, 451964), (946, 225982), (1097, 194876), (1133, 188684), (1892, 112991), (2194, 97438), (2266, 94342), (4388, 48719), (4429, 48268), (4532, 47171), (8858, 24134), (12067, 17716)]