78864904

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{631}}^1\times {\mathrm{919}}^1$

素因数の和:1573

約数の個数: 32

約数和(自身を含む): 156988800

約数和(自身を除く): 78123896

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 631, 919, 1262, 1838, 2524, 3676, 5048, 7352, 10727, 15623, 21454, 31246, 42908, 62492, 85816, 124984, 579889, 1159778, 2319556, 4639112, 9858113, 19716226, 39432452, 78864904]

約数ペア:

[(1, 78864904), (2, 39432452), (4, 19716226), (8, 9858113), (17, 4639112), (34, 2319556), (68, 1159778), (136, 579889), (631, 124984), (919, 85816), (1262, 62492), (1838, 42908), (2524, 31246), (3676, 21454), (5048, 15623), (7352, 10727)]