639452974

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{132173}}^1$

素因数の和:132275

約数の個数: 16

約数和(自身を含む): 999235440

約数和(自身を除く): 359782466

約数列:

[1, 2, 41, 59, 82, 118, 2419, 4838, 132173, 264346, 5419093, 7798207, 10838186, 15596414, 319726487, 639452974]

約数ペア:

[(1, 639452974), (2, 319726487), (41, 15596414), (59, 10838186), (82, 7798207), (118, 5419093), (2419, 264346), (4838, 132173)]