389600372

素因数分解:

$2^2\times 7^2\times {\mathrm{401}}^1\times {\mathrm{4957}}^1$

素因数の和:5376

約数の個数: 36

約数和(自身を含む): 795253284

約数和(自身を除く): 405652912

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 401, 802, 1604, 2807, 4957, 5614, 9914, 11228, 19649, 19828, 34699, 39298, 69398, 78596, 138796, 242893, 485786, 971572, 1987757, 3975514, 7951028, 13914299, 27828598, 55657196, 97400093, 194800186, 389600372]

約数ペア:

[(1, 389600372), (2, 194800186), (4, 97400093), (7, 55657196), (14, 27828598), (28, 13914299), (49, 7951028), (98, 3975514), (196, 1987757), (401, 971572), (802, 485786), (1604, 242893), (2807, 138796), (4957, 78596), (5614, 69398), (9914, 39298), (11228, 34699), (19649, 19828)]