12781549535

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{384581}}^1$

素因数の和:384643

約数の個数: 24

約数和(自身を含む): 17001601056

約数和(自身を除く): 4220051521

約数列:

[1, 5, 17, 23, 85, 115, 289, 391, 1445, 1955, 6647, 33235, 384581, 1922905, 6537877, 8845363, 32689385, 44226815, 111143909, 150371171, 555719545, 751855855, 2556309907, 12781549535]

約数ペア:

[(1, 12781549535), (5, 2556309907), (17, 751855855), (23, 555719545), (85, 150371171), (115, 111143909), (289, 44226815), (391, 32689385), (1445, 8845363), (1955, 6537877), (6647, 1922905), (33235, 384581)]