38912285

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 51717120

約数和(自身を除く): 12804835

約数列:

[1, 5, 19, 31, 73, 95, 155, 181, 365, 589, 905, 1387, 2263, 2945, 3439, 5611, 6935, 11315, 13213, 17195, 28055, 42997, 66065, 106609, 214985, 251047, 409603, 533045, 1255235, 2048015, 7782457, 38912285]

約数ペア:

[(1, 38912285), (5, 7782457), (19, 2048015), (31, 1255235), (73, 533045), (95, 409603), (155, 251047), (181, 214985), (365, 106609), (589, 66065), (905, 42997), (1387, 28055), (2263, 17195), (2945, 13213), (3439, 11315), (5611, 6935)]