51521855

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{821}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 77649408

約数和(自身を除く): 26127553

約数列:

[1, 5, 7, 11, 35, 55, 77, 163, 385, 815, 821, 1141, 1793, 4105, 5705, 5747, 8965, 9031, 12551, 28735, 45155, 62755, 63217, 133823, 316085, 669115, 936761, 1472053, 4683805, 7360265, 10304371, 51521855]

約数ペア:

[(1, 51521855), (5, 10304371), (7, 7360265), (11, 4683805), (35, 1472053), (55, 936761), (77, 669115), (163, 316085), (385, 133823), (815, 63217), (821, 62755), (1141, 45155), (1793, 28735), (4105, 12551), (5705, 9031), (5747, 8965)]