261408888

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1543}}^1$

素因数の和:1749

約数の個数: 96

約数和(自身を含む): 767151840

約数和(自身を除く): 505742952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 181, 234, 312, 362, 468, 543, 724, 936, 1086, 1448, 1543, 1629, 2172, 2353, 3086, 3258, 4344, 4629, 4706, 6172, 6516, 7059, 9258, 9412, 12344, 13032, 13887, 14118, 18516, 18824, 20059, 21177, 27774, 28236, 37032, 40118, 42354, 55548, 56472, 60177, 80236, 84708, 111096, 120354, 160472, 169416, 180531, 240708, 279283, 361062, 481416, 558566, 722124, 837849, 1117132, 1444248, 1675698, 2234264, 2513547, 3351396, 3630679, 5027094, 6702792, 7261358, 10054188, 10892037, 14522716, 20108376, 21784074, 29045432, 32676111, 43568148, 65352222, 87136296, 130704444, 261408888]

約数ペア:

[(1, 261408888), (2, 130704444), (3, 87136296), (4, 65352222), (6, 43568148), (8, 32676111), (9, 29045432), (12, 21784074), (13, 20108376), (18, 14522716), (24, 10892037), (26, 10054188), (36, 7261358), (39, 6702792), (52, 5027094), (72, 3630679), (78, 3351396), (104, 2513547), (117, 2234264), (156, 1675698), (181, 1444248), (234, 1117132), (312, 837849), (362, 722124), (468, 558566), (543, 481416), (724, 361062), (936, 279283), (1086, 240708), (1448, 180531), (1543, 169416), (1629, 160472), (2172, 120354), (2353, 111096), (3086, 84708), (3258, 80236), (4344, 60177), (4629, 56472), (4706, 55548), (6172, 42354), (6516, 40118), (7059, 37032), (9258, 28236), (9412, 27774), (12344, 21177), (13032, 20059), (13887, 18824), (14118, 18516)]