13807015

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:207

約数の個数: 32

約数和(自身を含む): 18662400

約数和(自身を除く): 4855385

約数列:

[1, 5, 19, 23, 71, 89, 95, 115, 355, 437, 445, 1349, 1633, 1691, 2047, 2185, 6319, 6745, 8165, 8455, 10235, 31027, 31595, 38893, 120061, 145337, 155135, 194465, 600305, 726685, 2761403, 13807015]

約数ペア:

[(1, 13807015), (5, 2761403), (19, 726685), (23, 600305), (71, 194465), (89, 155135), (95, 145337), (115, 120061), (355, 38893), (437, 31595), (445, 31027), (1349, 10235), (1633, 8455), (1691, 8165), (2047, 6745), (2185, 6319)]