891958895

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{3137}}^1$

素因数の和:3275

約数の個数: 32

約数和(自身を含む): 1170348480

約数和(自身を除く): 278389585

約数列:

[1, 5, 19, 41, 73, 95, 205, 365, 779, 1387, 2993, 3137, 3895, 6935, 14965, 15685, 56867, 59603, 128617, 229001, 284335, 298015, 643085, 1145005, 2443723, 4351019, 9389041, 12218615, 21755095, 46945205, 178391779, 891958895]

約数ペア:

[(1, 891958895), (5, 178391779), (19, 46945205), (41, 21755095), (73, 12218615), (95, 9389041), (205, 4351019), (365, 2443723), (779, 1145005), (1387, 643085), (2993, 298015), (3137, 284335), (3895, 229001), (6935, 128617), (14965, 59603), (15685, 56867)]