78808378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{383}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 132710400

約数和(自身を除く): 53902022

約数列:

[1, 2, 11, 22, 47, 94, 199, 383, 398, 517, 766, 1034, 2189, 4213, 4378, 8426, 9353, 18001, 18706, 36002, 76217, 102883, 152434, 198011, 205766, 396022, 838387, 1676774, 3582199, 7164398, 39404189, 78808378]

約数ペア:

[(1, 78808378), (2, 39404189), (11, 7164398), (22, 3582199), (47, 1676774), (94, 838387), (199, 396022), (383, 205766), (398, 198011), (517, 152434), (766, 102883), (1034, 76217), (2189, 36002), (4213, 18706), (4378, 18001), (8426, 9353)]