13247845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 19111680

約数和(自身を除く): 5863835

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 631, 1105, 1235, 1615, 3155, 4199, 8203, 10727, 11989, 20995, 41015, 53635, 59945, 139451, 155857, 203813, 697255, 779285, 1019065, 2649569, 13247845]

約数ペア:

[(1, 13247845), (5, 2649569), (13, 1019065), (17, 779285), (19, 697255), (65, 203813), (85, 155857), (95, 139451), (221, 59945), (247, 53635), (323, 41015), (631, 20995), (1105, 11989), (1235, 10727), (1615, 8203), (3155, 4199)]