2549915

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:382

約数の個数: 16

約数和(自身を含む): 3278880

約数和(自身を除く): 728965

約数列:

[1, 5, 17, 85, 131, 229, 655, 1145, 2227, 3893, 11135, 19465, 29999, 149995, 509983, 2549915]

約数ペア:

[(1, 2549915), (5, 509983), (17, 149995), (85, 29999), (131, 19465), (229, 11135), (655, 3893), (1145, 2227)]