28536564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{887}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 76382208

約数和(自身を除く): 47845644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 383, 766, 887, 1149, 1532, 1774, 2298, 2661, 2681, 3548, 4596, 5322, 5362, 6209, 8043, 10644, 10724, 12418, 16086, 18627, 24836, 32172, 37254, 74508, 339721, 679442, 1019163, 1358884, 2038326, 2378047, 4076652, 4756094, 7134141, 9512188, 14268282, 28536564]

約数ペア:

[(1, 28536564), (2, 14268282), (3, 9512188), (4, 7134141), (6, 4756094), (7, 4076652), (12, 2378047), (14, 2038326), (21, 1358884), (28, 1019163), (42, 679442), (84, 339721), (383, 74508), (766, 37254), (887, 32172), (1149, 24836), (1532, 18627), (1774, 16086), (2298, 12418), (2661, 10724), (2681, 10644), (3548, 8043), (4596, 6209), (5322, 5362)]