198297424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{22171}}^1$

素因数の和:22235

約数の個数: 40

約数和(自身を含む): 423396512

約数和(自身を除く): 225099088

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8944, 22171, 44342, 88684, 177368, 288223, 354736, 576446, 953353, 1152892, 1906706, 2305784, 3813412, 4611568, 7626824, 12393589, 15253648, 24787178, 49574356, 99148712, 198297424]

約数ペア:

[(1, 198297424), (2, 99148712), (4, 49574356), (8, 24787178), (13, 15253648), (16, 12393589), (26, 7626824), (43, 4611568), (52, 3813412), (86, 2305784), (104, 1906706), (172, 1152892), (208, 953353), (344, 576446), (559, 354736), (688, 288223), (1118, 177368), (2236, 88684), (4472, 44342), (8944, 22171)]