399822948

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{226657}}^1$

素因数の和:226681

約数の個数: 54

約数和(自身を含む): 1175675046

約数和(自身を除く): 775852098

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 226657, 453314, 679971, 906628, 1359942, 1586599, 2039913, 2719884, 3173198, 4079826, 4759797, 6346396, 8159652, 9519594, 11106193, 14279391, 19039188, 22212386, 28558782, 33318579, 44424772, 57117564, 66637158, 99955737, 133274316, 199911474, 399822948]

約数ペア:

[(1, 399822948), (2, 199911474), (3, 133274316), (4, 99955737), (6, 66637158), (7, 57117564), (9, 44424772), (12, 33318579), (14, 28558782), (18, 22212386), (21, 19039188), (28, 14279391), (36, 11106193), (42, 9519594), (49, 8159652), (63, 6346396), (84, 4759797), (98, 4079826), (126, 3173198), (147, 2719884), (196, 2039913), (252, 1586599), (294, 1359942), (441, 906628), (588, 679971), (882, 453314), (1764, 226657)]