81794648

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{599}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 167994000

約数和(自身を除く): 86199352

約数列:

[1, 2, 4, 8, 13, 26, 52, 101, 104, 169, 202, 338, 404, 599, 676, 808, 1198, 1313, 1352, 2396, 2626, 4792, 5252, 7787, 10504, 15574, 17069, 31148, 34138, 60499, 62296, 68276, 101231, 120998, 136552, 202462, 241996, 404924, 483992, 786487, 809848, 1572974, 3145948, 6291896, 10224331, 20448662, 40897324, 81794648]

約数ペア:

[(1, 81794648), (2, 40897324), (4, 20448662), (8, 10224331), (13, 6291896), (26, 3145948), (52, 1572974), (101, 809848), (104, 786487), (169, 483992), (202, 404924), (338, 241996), (404, 202462), (599, 136552), (676, 120998), (808, 101231), (1198, 68276), (1313, 62296), (1352, 60499), (2396, 34138), (2626, 31148), (4792, 17069), (5252, 15574), (7787, 10504)]