868400624

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31391}}^1$

素因数の和:31438

約数の個数: 80

約数和(自身を含む): 2179860480

約数和(自身を除く): 1311459856

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 91, 104, 112, 133, 152, 182, 208, 247, 266, 304, 364, 494, 532, 728, 988, 1064, 1456, 1729, 1976, 2128, 3458, 3952, 6916, 13832, 27664, 31391, 62782, 125564, 219737, 251128, 408083, 439474, 502256, 596429, 816166, 878948, 1192858, 1632332, 1757896, 2385716, 2856581, 3264664, 3515792, 4175003, 4771432, 5713162, 6529328, 7753577, 8350006, 9542864, 11426324, 15507154, 16700012, 22852648, 31014308, 33400024, 45705296, 54275039, 62028616, 66800048, 108550078, 124057232, 217100156, 434200312, 868400624]

約数ペア:

[(1, 868400624), (2, 434200312), (4, 217100156), (7, 124057232), (8, 108550078), (13, 66800048), (14, 62028616), (16, 54275039), (19, 45705296), (26, 33400024), (28, 31014308), (38, 22852648), (52, 16700012), (56, 15507154), (76, 11426324), (91, 9542864), (104, 8350006), (112, 7753577), (133, 6529328), (152, 5713162), (182, 4771432), (208, 4175003), (247, 3515792), (266, 3264664), (304, 2856581), (364, 2385716), (494, 1757896), (532, 1632332), (728, 1192858), (988, 878948), (1064, 816166), (1456, 596429), (1729, 502256), (1976, 439474), (2128, 408083), (3458, 251128), (3952, 219737), (6916, 125564), (13832, 62782), (27664, 31391)]