199980001

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1\times {\mathrm{821}}^1$

素因数の和:1332

約数の個数: 16

約数和(自身を含む): 221367888

約数和(自身を除く): 21387887

約数列:

[1, 13, 41, 457, 533, 821, 5941, 10673, 18737, 33661, 243581, 375197, 437593, 4877561, 15383077, 199980001]

約数ペア:

[(1, 199980001), (13, 15383077), (41, 4877561), (457, 437593), (533, 375197), (821, 243581), (5941, 33661), (10673, 18737)]