1388946818

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1721}}^1\times {\mathrm{3391}}^1$

素因数の和:5138

約数の個数: 32

約数和(自身を含む): 2523322368

約数和(自身を除く): 1134375550

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 1721, 3391, 3442, 6782, 12047, 23737, 24094, 29257, 47474, 57647, 58514, 115294, 204799, 403529, 409598, 807058, 5835911, 11671822, 40851377, 81702754, 99210487, 198420974, 694473409, 1388946818]

約数ペア:

[(1, 1388946818), (2, 694473409), (7, 198420974), (14, 99210487), (17, 81702754), (34, 40851377), (119, 11671822), (238, 5835911), (1721, 807058), (3391, 409598), (3442, 403529), (6782, 204799), (12047, 115294), (23737, 58514), (24094, 57647), (29257, 47474)]