207943970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{51599}}^1$

素因数の和:51650

約数の個数: 32

約数和(自身を含む): 416102400

約数和(自身を除く): 208158430

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 51599, 103198, 257995, 515990, 670787, 1341574, 1599569, 3199138, 3353935, 6707870, 7997845, 15995690, 20794397, 41588794, 103971985, 207943970]

約数ペア:

[(1, 207943970), (2, 103971985), (5, 41588794), (10, 20794397), (13, 15995690), (26, 7997845), (31, 6707870), (62, 3353935), (65, 3199138), (130, 1599569), (155, 1341574), (310, 670787), (403, 515990), (806, 257995), (2015, 103198), (4030, 51599)]