81123776

素因数分解:

$2^6\times {\mathrm{31}}^2\times {\mathrm{1319}}^1$

素因数の和:1393

約数の個数: 42

約数和(自身を含む): 166466520

約数和(自身を除く): 85342744

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 961, 992, 1319, 1922, 1984, 2638, 3844, 5276, 7688, 10552, 15376, 21104, 30752, 40889, 42208, 61504, 81778, 84416, 163556, 327112, 654224, 1267559, 1308448, 2535118, 2616896, 5070236, 10140472, 20280944, 40561888, 81123776]

約数ペア:

[(1, 81123776), (2, 40561888), (4, 20280944), (8, 10140472), (16, 5070236), (31, 2616896), (32, 2535118), (62, 1308448), (64, 1267559), (124, 654224), (248, 327112), (496, 163556), (961, 84416), (992, 81778), (1319, 61504), (1922, 42208), (1984, 40889), (2638, 30752), (3844, 21104), (5276, 15376), (7688, 10552)]