78864972

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20347}}^1$

素因数の和:20390

約数の個数: 48

約数和(自身を含む): 205107840

約数和(自身を除く): 126242868

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 323, 646, 969, 1292, 1938, 3876, 20347, 40694, 61041, 81388, 122082, 244164, 345899, 386593, 691798, 773186, 1037697, 1159779, 1383596, 1546372, 2075394, 2319558, 4150788, 4639116, 6572081, 13144162, 19716243, 26288324, 39432486, 78864972]

約数ペア:

[(1, 78864972), (2, 39432486), (3, 26288324), (4, 19716243), (6, 13144162), (12, 6572081), (17, 4639116), (19, 4150788), (34, 2319558), (38, 2075394), (51, 1546372), (57, 1383596), (68, 1159779), (76, 1037697), (102, 773186), (114, 691798), (204, 386593), (228, 345899), (323, 244164), (646, 122082), (969, 81388), (1292, 61041), (1938, 40694), (3876, 20347)]