81689538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{14197}}^1$

素因数の和:14346

約数の個数: 32

約数和(自身を含む): 188095104

約数和(自身を除く): 106405566

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 137, 274, 411, 822, 959, 1918, 2877, 5754, 14197, 28394, 42591, 85182, 99379, 198758, 298137, 596274, 1944989, 3889978, 5834967, 11669934, 13614923, 27229846, 40844769, 81689538]

約数ペア:

[(1, 81689538), (2, 40844769), (3, 27229846), (6, 13614923), (7, 11669934), (14, 5834967), (21, 3889978), (42, 1944989), (137, 596274), (274, 298137), (411, 198758), (822, 99379), (959, 85182), (1918, 42591), (2877, 28394), (5754, 14197)]