1978889488

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{108587}}^1$

素因数の和:108679

約数の個数: 40

約数和(自身を含む): 4120263072

約数和(自身を除く): 2141373584

約数列:

[1, 2, 4, 8, 16, 17, 34, 67, 68, 134, 136, 268, 272, 536, 1072, 1139, 2278, 4556, 9112, 18224, 108587, 217174, 434348, 868696, 1737392, 1845979, 3691958, 7275329, 7383916, 14550658, 14767832, 29101316, 29535664, 58202632, 116405264, 123680593, 247361186, 494722372, 989444744, 1978889488]

約数ペア:

[(1, 1978889488), (2, 989444744), (4, 494722372), (8, 247361186), (16, 123680593), (17, 116405264), (34, 58202632), (67, 29535664), (68, 29101316), (134, 14767832), (136, 14550658), (268, 7383916), (272, 7275329), (536, 3691958), (1072, 1845979), (1139, 1737392), (2278, 868696), (4556, 434348), (9112, 217174), (18224, 108587)]