86907990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{222841}}^1$

素因数の和:222864

約数の個数: 32

約数和(自身を含む): 224624736

約数和(自身を除く): 137716746

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 222841, 445682, 668523, 1114205, 1337046, 2228410, 2896933, 3342615, 5793866, 6685230, 8690799, 14484665, 17381598, 28969330, 43453995, 86907990]

約数ペア:

[(1, 86907990), (2, 43453995), (3, 28969330), (5, 17381598), (6, 14484665), (10, 8690799), (13, 6685230), (15, 5793866), (26, 3342615), (30, 2896933), (39, 2228410), (65, 1337046), (78, 1114205), (130, 668523), (195, 445682), (390, 222841)]