1998948

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 5443200

約数和(自身を除く): 3444252

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 53, 84, 106, 159, 212, 318, 371, 449, 636, 742, 898, 1113, 1347, 1484, 1796, 2226, 2694, 3143, 4452, 5388, 6286, 9429, 12572, 18858, 23797, 37716, 47594, 71391, 95188, 142782, 166579, 285564, 333158, 499737, 666316, 999474, 1998948]

約数ペア:

[(1, 1998948), (2, 999474), (3, 666316), (4, 499737), (6, 333158), (7, 285564), (12, 166579), (14, 142782), (21, 95188), (28, 71391), (42, 47594), (53, 37716), (84, 23797), (106, 18858), (159, 12572), (212, 9429), (318, 6286), (371, 5388), (449, 4452), (636, 3143), (742, 2694), (898, 2226), (1113, 1796), (1347, 1484)]