69720028

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{733}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 144686080

約数和(自身を除く): 74966052

約数列:

[1, 2, 4, 7, 14, 28, 43, 79, 86, 158, 172, 301, 316, 553, 602, 733, 1106, 1204, 1466, 2212, 2932, 3397, 5131, 6794, 10262, 13588, 20524, 23779, 31519, 47558, 57907, 63038, 95116, 115814, 126076, 220633, 231628, 405349, 441266, 810698, 882532, 1621396, 2490001, 4980002, 9960004, 17430007, 34860014, 69720028]

約数ペア:

[(1, 69720028), (2, 34860014), (4, 17430007), (7, 9960004), (14, 4980002), (28, 2490001), (43, 1621396), (79, 882532), (86, 810698), (158, 441266), (172, 405349), (301, 231628), (316, 220633), (553, 126076), (602, 115814), (733, 95116), (1106, 63038), (1204, 57907), (1466, 47558), (2212, 31519), (2932, 23779), (3397, 20524), (5131, 13588), (6794, 10262)]