129205928

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{9551}}^1$

素因数の和:9665

約数の個数: 32

約数和(自身を含む): 257904000

約数和(自身を除く): 128698072

約数列:

[1, 2, 4, 8, 19, 38, 76, 89, 152, 178, 356, 712, 1691, 3382, 6764, 9551, 13528, 19102, 38204, 76408, 181469, 362938, 725876, 850039, 1451752, 1700078, 3400156, 6800312, 16150741, 32301482, 64602964, 129205928]

約数ペア:

[(1, 129205928), (2, 64602964), (4, 32301482), (8, 16150741), (19, 6800312), (38, 3400156), (76, 1700078), (89, 1451752), (152, 850039), (178, 725876), (356, 362938), (712, 181469), (1691, 76408), (3382, 38204), (6764, 19102), (9551, 13528)]