15664061390

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{4026751}}^1$

素因数の和:4027147

約数の個数: 16

約数和(自身を含む): 28267799040

約数和(自身を除く): 12603737650

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 4026751, 8053502, 20133755, 40267510, 1566406139, 3132812278, 7832030695, 15664061390]

約数ペア:

[(1, 15664061390), (2, 7832030695), (5, 3132812278), (10, 1566406139), (389, 40267510), (778, 20133755), (1945, 8053502), (3890, 4026751)]