81643548

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{2801}}^1$

素因数の和:3162

約数の個数: 48

約数和(自身を含む): 218421504

約数和(自身を除く): 136777956

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 347, 694, 1041, 1388, 2082, 2429, 2801, 4164, 4858, 5602, 7287, 8403, 9716, 11204, 14574, 16806, 19607, 29148, 33612, 39214, 58821, 78428, 117642, 235284, 971947, 1943894, 2915841, 3887788, 5831682, 6803629, 11663364, 13607258, 20410887, 27214516, 40821774, 81643548]

約数ペア:

[(1, 81643548), (2, 40821774), (3, 27214516), (4, 20410887), (6, 13607258), (7, 11663364), (12, 6803629), (14, 5831682), (21, 3887788), (28, 2915841), (42, 1943894), (84, 971947), (347, 235284), (694, 117642), (1041, 78428), (1388, 58821), (2082, 39214), (2429, 33612), (2801, 29148), (4164, 19607), (4858, 16806), (5602, 14574), (7287, 11204), (8403, 9716)]