78638416

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1861}}^1$

素因数の和:2027

約数の個数: 40

約数和(自身を含む): 161621600

約数和(自身を除く): 82983184

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 139, 152, 278, 304, 556, 1112, 1861, 2224, 2641, 3722, 5282, 7444, 10564, 14888, 21128, 29776, 35359, 42256, 70718, 141436, 258679, 282872, 517358, 565744, 1034716, 2069432, 4138864, 4914901, 9829802, 19659604, 39319208, 78638416]

約数ペア:

[(1, 78638416), (2, 39319208), (4, 19659604), (8, 9829802), (16, 4914901), (19, 4138864), (38, 2069432), (76, 1034716), (139, 565744), (152, 517358), (278, 282872), (304, 258679), (556, 141436), (1112, 70718), (1861, 42256), (2224, 35359), (2641, 29776), (3722, 21128), (5282, 14888), (7444, 10564)]