7871396

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 16181760

約数和(自身を除く): 8310364

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 247, 257, 403, 494, 514, 589, 806, 988, 1028, 1178, 1612, 2356, 3341, 4883, 6682, 7657, 7967, 9766, 13364, 15314, 15934, 19532, 30628, 31868, 63479, 103571, 126958, 151373, 207142, 253916, 302746, 414284, 605492, 1967849, 3935698, 7871396]

約数ペア:

[(1, 7871396), (2, 3935698), (4, 1967849), (13, 605492), (19, 414284), (26, 302746), (31, 253916), (38, 207142), (52, 151373), (62, 126958), (76, 103571), (124, 63479), (247, 31868), (257, 30628), (403, 19532), (494, 15934), (514, 15314), (589, 13364), (806, 9766), (988, 7967), (1028, 7657), (1178, 6682), (1612, 4883), (2356, 3341)]