217029295

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{631}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 308699136

約数和(自身を除く): 91669841

約数列:

[1, 5, 7, 31, 35, 155, 217, 317, 631, 1085, 1585, 2219, 3155, 4417, 9827, 11095, 19561, 22085, 49135, 68789, 97805, 136927, 200027, 343945, 684635, 1000135, 1400189, 6200837, 7000945, 31004185, 43405859, 217029295]

約数ペア:

[(1, 217029295), (5, 43405859), (7, 31004185), (31, 7000945), (35, 6200837), (155, 1400189), (217, 1000135), (317, 684635), (631, 343945), (1085, 200027), (1585, 136927), (2219, 97805), (3155, 68789), (4417, 49135), (9827, 22085), (11095, 19561)]