65880815

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13163}}^1$

素因数の和:13199

約数の個数: 32

約数和(自身を含む): 106154496

約数和(自身を除く): 40273681

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 5005, 13163, 65815, 92141, 144793, 171119, 460705, 723965, 855595, 1013551, 1197833, 1882309, 5067755, 5989165, 9411545, 13176163, 65880815]

約数ペア:

[(1, 65880815), (5, 13176163), (7, 9411545), (11, 5989165), (13, 5067755), (35, 1882309), (55, 1197833), (65, 1013551), (77, 855595), (91, 723965), (143, 460705), (385, 171119), (455, 144793), (715, 92141), (1001, 65815), (5005, 13163)]