289076488

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{1979}}^1$

素因数の和:2066

約数の個数: 48

約数和(自身を含む): 589842000

約数和(自身を除く): 300765512

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 248, 589, 961, 1178, 1922, 1979, 2356, 3844, 3958, 4712, 7688, 7916, 15832, 18259, 36518, 37601, 61349, 73036, 75202, 122698, 146072, 150404, 245396, 300808, 490792, 1165631, 1901819, 2331262, 3803638, 4662524, 7607276, 9325048, 15214552, 36134561, 72269122, 144538244, 289076488]

約数ペア:

[(1, 289076488), (2, 144538244), (4, 72269122), (8, 36134561), (19, 15214552), (31, 9325048), (38, 7607276), (62, 4662524), (76, 3803638), (124, 2331262), (152, 1901819), (248, 1165631), (589, 490792), (961, 300808), (1178, 245396), (1922, 150404), (1979, 146072), (2356, 122698), (3844, 75202), (3958, 73036), (4712, 61349), (7688, 37601), (7916, 36518), (15832, 18259)]