1998697988

素因数分解:

$2^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{145381}}^1$

素因数の和:145883

約数の個数: 24

約数和(自身を含む): 4005564864

約数和(自身を除く): 2006866876

約数列:

[1, 2, 4, 7, 14, 28, 491, 982, 1964, 3437, 6874, 13748, 145381, 290762, 581524, 1017667, 2035334, 4070668, 71382071, 142764142, 285528284, 499674497, 999348994, 1998697988]

約数ペア:

[(1, 1998697988), (2, 999348994), (4, 499674497), (7, 285528284), (14, 142764142), (28, 71382071), (491, 4070668), (982, 2035334), (1964, 1017667), (3437, 581524), (6874, 290762), (13748, 145381)]