156917789

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 195022080

約数和(自身を除く): 38104291

約数列:

[1, 7, 19, 53, 113, 133, 197, 371, 791, 1007, 1379, 2147, 3743, 5989, 7049, 10441, 15029, 22261, 26201, 41923, 73087, 113791, 155827, 198379, 422959, 796537, 1179833, 1388653, 2960713, 8258831, 22416827, 156917789]

約数ペア:

[(1, 156917789), (7, 22416827), (19, 8258831), (53, 2960713), (113, 1388653), (133, 1179833), (197, 796537), (371, 422959), (791, 198379), (1007, 155827), (1379, 113791), (2147, 73087), (3743, 41923), (5989, 26201), (7049, 22261), (10441, 15029)]