78173828

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{1259}}^1$

素因数の和:1344

約数の個数: 36

約数和(自身を含む): 147858480

約数和(自身を除く): 69684652

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 361, 722, 817, 1259, 1444, 1634, 2518, 3268, 5036, 15523, 23921, 31046, 47842, 54137, 62092, 95684, 108274, 216548, 454499, 908998, 1028603, 1817996, 2057206, 4114412, 19543457, 39086914, 78173828]

約数ペア:

[(1, 78173828), (2, 39086914), (4, 19543457), (19, 4114412), (38, 2057206), (43, 1817996), (76, 1028603), (86, 908998), (172, 454499), (361, 216548), (722, 108274), (817, 95684), (1259, 62092), (1444, 54137), (1634, 47842), (2518, 31046), (3268, 23921), (5036, 15523)]