1289741390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{18424877}}^1$

素因数の和:18424891

約数の個数: 16

約数和(自身を含む): 2653182432

約数和(自身を除く): 1363441042

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 18424877, 36849754, 92124385, 128974139, 184248770, 257948278, 644870695, 1289741390]

約数ペア:

[(1, 1289741390), (2, 644870695), (5, 257948278), (7, 184248770), (10, 128974139), (14, 92124385), (35, 36849754), (70, 18424877)]