253892015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{126001}}^1$

素因数の和:126050

約数の個数: 16

約数和(自身を含む): 338693376

約数和(自身を除く): 84801361

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 126001, 630005, 1638013, 3906031, 8190065, 19530155, 50778403, 253892015]

約数ペア:

[(1, 253892015), (5, 50778403), (13, 19530155), (31, 8190065), (65, 3906031), (155, 1638013), (403, 630005), (2015, 126001)]