78131898

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6547}}^1$

素因数の和:6588

約数の個数: 64

約数和(自身を含む): 198011520

約数和(自身を除く): 119879622

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 34, 39, 51, 54, 78, 102, 117, 153, 221, 234, 306, 351, 442, 459, 663, 702, 918, 1326, 1989, 3978, 5967, 6547, 11934, 13094, 19641, 39282, 58923, 85111, 111299, 117846, 170222, 176769, 222598, 255333, 333897, 353538, 510666, 667794, 765999, 1001691, 1446887, 1531998, 2003382, 2297997, 2893774, 3005073, 4340661, 4595994, 6010146, 8681322, 13021983, 26043966, 39065949, 78131898]

約数ペア:

[(1, 78131898), (2, 39065949), (3, 26043966), (6, 13021983), (9, 8681322), (13, 6010146), (17, 4595994), (18, 4340661), (26, 3005073), (27, 2893774), (34, 2297997), (39, 2003382), (51, 1531998), (54, 1446887), (78, 1001691), (102, 765999), (117, 667794), (153, 510666), (221, 353538), (234, 333897), (306, 255333), (351, 222598), (442, 176769), (459, 170222), (663, 117846), (702, 111299), (918, 85111), (1326, 58923), (1989, 39282), (3978, 19641), (5967, 13094), (6547, 11934)]