64193818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{653}}^1$

素因数の和:886

約数の個数: 32

約数和(自身を含む): 109872000

約数和(自身を除く): 45678182

約数列:

[1, 2, 13, 19, 26, 38, 199, 247, 398, 494, 653, 1306, 2587, 3781, 5174, 7562, 8489, 12407, 16978, 24814, 49153, 98306, 129947, 161291, 259894, 322582, 1689311, 2468993, 3378622, 4937986, 32096909, 64193818]

約数ペア:

[(1, 64193818), (2, 32096909), (13, 4937986), (19, 3378622), (26, 2468993), (38, 1689311), (199, 322582), (247, 259894), (398, 161291), (494, 129947), (653, 98306), (1306, 49153), (2587, 24814), (3781, 16978), (5174, 12407), (7562, 8489)]