38953895

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 51468480

約数和(自身を除く): 12514585

約数列:

[1, 5, 19, 41, 73, 95, 137, 205, 365, 685, 779, 1387, 2603, 2993, 3895, 5617, 6935, 10001, 13015, 14965, 28085, 50005, 56867, 106723, 190019, 284335, 410041, 533615, 950095, 2050205, 7790779, 38953895]

約数ペア:

[(1, 38953895), (5, 7790779), (19, 2050205), (41, 950095), (73, 533615), (95, 410041), (137, 284335), (205, 190019), (365, 106723), (685, 56867), (779, 50005), (1387, 28085), (2603, 14965), (2993, 13015), (3895, 10001), (5617, 6935)]