520031138

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{673}}^1$

素因数の和:831

約数の個数: 48

約数和(自身を含む): 894985728

約数和(自身を除く): 374954590

約数列:

[1, 2, 11, 22, 31, 62, 103, 121, 206, 242, 341, 673, 682, 1133, 1346, 2266, 3193, 3751, 6386, 7403, 7502, 12463, 14806, 20863, 24926, 35123, 41726, 69319, 70246, 81433, 138638, 162866, 229493, 386353, 458986, 762509, 772706, 1525018, 2148889, 2524423, 4297778, 5048846, 8387599, 16775198, 23637779, 47275558, 260015569, 520031138]

約数ペア:

[(1, 520031138), (2, 260015569), (11, 47275558), (22, 23637779), (31, 16775198), (62, 8387599), (103, 5048846), (121, 4297778), (206, 2524423), (242, 2148889), (341, 1525018), (673, 772706), (682, 762509), (1133, 458986), (1346, 386353), (2266, 229493), (3193, 162866), (3751, 138638), (6386, 81433), (7403, 70246), (7502, 69319), (12463, 41726), (14806, 35123), (20863, 24926)]