30980719

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{463}}^1$

素因数の和:571

約数の個数: 24

約数和(自身を含む): 39495680

約数和(自身を除く): 8514961

約数列:

[1, 7, 11, 77, 79, 121, 463, 553, 847, 869, 3241, 5093, 6083, 9559, 35651, 36577, 56023, 66913, 256039, 392161, 402347, 2816429, 4425817, 30980719]

約数ペア:

[(1, 30980719), (7, 4425817), (11, 2816429), (77, 402347), (79, 392161), (121, 256039), (463, 66913), (553, 56023), (847, 36577), (869, 35651), (3241, 9559), (5093, 6083)]