81242148

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{2617}}^1$

素因数の和:2836

約数の個数: 48

約数和(自身を含む): 205251200

約数和(自身を除く): 124009052

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 199, 398, 597, 796, 1194, 2388, 2587, 2617, 5174, 5234, 7761, 7851, 10348, 10468, 15522, 15702, 31044, 31404, 34021, 68042, 102063, 136084, 204126, 408252, 520783, 1041566, 1562349, 2083132, 3124698, 6249396, 6770179, 13540358, 20310537, 27080716, 40621074, 81242148]

約数ペア:

[(1, 81242148), (2, 40621074), (3, 27080716), (4, 20310537), (6, 13540358), (12, 6770179), (13, 6249396), (26, 3124698), (39, 2083132), (52, 1562349), (78, 1041566), (156, 520783), (199, 408252), (398, 204126), (597, 136084), (796, 102063), (1194, 68042), (2388, 34021), (2587, 31404), (2617, 31044), (5174, 15702), (5234, 15522), (7761, 10468), (7851, 10348)]