16912705

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 23079168

約数和(自身を除く): 6166463

約数列:

[1, 5, 17, 23, 41, 85, 115, 205, 211, 391, 697, 943, 1055, 1955, 3485, 3587, 4715, 4853, 8651, 16031, 17935, 24265, 43255, 80155, 82501, 147067, 198973, 412505, 735335, 994865, 3382541, 16912705]

約数ペア:

[(1, 16912705), (5, 3382541), (17, 994865), (23, 735335), (41, 412505), (85, 198973), (115, 147067), (205, 82501), (211, 80155), (391, 43255), (697, 24265), (943, 17935), (1055, 16031), (1955, 8651), (3485, 4853), (3587, 4715)]