640881042

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{3445597}}^1$

素因数の和:3445633

約数の個数: 16

約数和(自身を含む): 1323109632

約数和(自身を除く): 682228590

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 3445597, 6891194, 10336791, 20673582, 106813507, 213627014, 320440521, 640881042]

約数ペア:

[(1, 640881042), (2, 320440521), (3, 213627014), (6, 106813507), (31, 20673582), (62, 10336791), (93, 6891194), (186, 3445597)]