646575655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{5743}}^1$

素因数の和:5871

約数の個数: 32

約数和(自身を含む): 893306880

約数和(自身を除く): 246731225

約数列:

[1, 5, 11, 23, 55, 89, 115, 253, 445, 979, 1265, 2047, 4895, 5743, 10235, 22517, 28715, 63173, 112585, 132089, 315865, 511127, 660445, 1452979, 2555635, 5622397, 7264895, 11755921, 28111985, 58779605, 129315131, 646575655]

約数ペア:

[(1, 646575655), (5, 129315131), (11, 58779605), (23, 28111985), (55, 11755921), (89, 7264895), (115, 5622397), (253, 2555635), (445, 1452979), (979, 660445), (1265, 511127), (2047, 315865), (4895, 132089), (5743, 112585), (10235, 63173), (22517, 28715)]