198413008

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{1667}}^1$

素因数の和:1891

約数の個数: 40

約数和(自身を含む): 395876448

約数和(自身を除く): 197463440

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 173, 344, 346, 688, 692, 1384, 1667, 2768, 3334, 6668, 7439, 13336, 14878, 26672, 29756, 59512, 71681, 119024, 143362, 286724, 288391, 573448, 576782, 1146896, 1153564, 2307128, 4614256, 12400813, 24801626, 49603252, 99206504, 198413008]

約数ペア:

[(1, 198413008), (2, 99206504), (4, 49603252), (8, 24801626), (16, 12400813), (43, 4614256), (86, 2307128), (172, 1153564), (173, 1146896), (344, 576782), (346, 573448), (688, 288391), (692, 286724), (1384, 143362), (1667, 119024), (2768, 71681), (3334, 59512), (6668, 29756), (7439, 26672), (13336, 14878)]