64880431

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{907}}^1\times {\mathrm{929}}^1$

素因数の和:1854

約数の個数: 16

約数和(自身を含む): 81066240

約数和(自身を除く): 16185809

約数列:

[1, 7, 11, 77, 907, 929, 6349, 6503, 9977, 10219, 69839, 71533, 842603, 5898221, 9268633, 64880431]

約数ペア:

[(1, 64880431), (7, 9268633), (11, 5898221), (77, 842603), (907, 71533), (929, 69839), (6349, 10219), (6503, 9977)]