217251710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{12757}}^1$

素因数の和:12908

約数の個数: 32

約数和(自身を含む): 424382112

約数和(自身を除く): 207130402

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 262, 655, 1310, 1703, 3406, 8515, 12757, 17030, 25514, 63785, 127570, 165841, 331682, 829205, 1658410, 1671167, 3342334, 8355835, 16711670, 21725171, 43450342, 108625855, 217251710]

約数ペア:

[(1, 217251710), (2, 108625855), (5, 43450342), (10, 21725171), (13, 16711670), (26, 8355835), (65, 3342334), (130, 1671167), (131, 1658410), (262, 829205), (655, 331682), (1310, 165841), (1703, 127570), (3406, 63785), (8515, 25514), (12757, 17030)]