640071698

素因数分解:

$2^1\times 7^1\times {\mathrm{1483}}^1\times {\mathrm{30829}}^1$

素因数の和:32321

約数の個数: 16

約数和(自身を含む): 1098041280

約数和(自身を除く): 457969582

約数列:

[1, 2, 7, 14, 1483, 2966, 10381, 20762, 30829, 61658, 215803, 431606, 45719407, 91438814, 320035849, 640071698]

約数ペア:

[(1, 640071698), (2, 320035849), (7, 91438814), (14, 45719407), (1483, 431606), (2966, 215803), (10381, 61658), (20762, 30829)]