81402036

素因数分解:

$2^2\times 3^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1\times {\mathrm{347}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 193281984

約数和(自身を除く): 111879948

約数列:

[1, 2, 3, 4, 6, 12, 113, 173, 226, 339, 346, 347, 452, 519, 678, 692, 694, 1038, 1041, 1356, 1388, 2076, 2082, 4164, 19549, 39098, 39211, 58647, 60031, 78196, 78422, 117294, 117633, 120062, 156844, 180093, 234588, 235266, 240124, 360186, 470532, 720372, 6783503, 13567006, 20350509, 27134012, 40701018, 81402036]

約数ペア:

[(1, 81402036), (2, 40701018), (3, 27134012), (4, 20350509), (6, 13567006), (12, 6783503), (113, 720372), (173, 470532), (226, 360186), (339, 240124), (346, 235266), (347, 234588), (452, 180093), (519, 156844), (678, 120062), (692, 117633), (694, 117294), (1038, 78422), (1041, 78196), (1356, 60031), (1388, 58647), (2076, 39211), (2082, 39098), (4164, 19549)]