13263995

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 18247680

約数和(自身を除く): 4983685

約数列:

[1, 5, 17, 19, 43, 85, 95, 191, 215, 323, 731, 817, 955, 1615, 3247, 3629, 3655, 4085, 8213, 13889, 16235, 18145, 41065, 61693, 69445, 139621, 156047, 308465, 698105, 780235, 2652799, 13263995]

約数ペア:

[(1, 13263995), (5, 2652799), (17, 780235), (19, 698105), (43, 308465), (85, 156047), (95, 139621), (191, 69445), (215, 61693), (323, 41065), (731, 18145), (817, 16235), (955, 13889), (1615, 8213), (3247, 4085), (3629, 3655)]