1989034183985

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1\times {\mathrm{353}}^1\times {\mathrm{859}}^1$

素因数の和:1638

約数の個数: 64

約数和(自身を含む): 2480255631360

約数和(自身を除く): 491221447375

約数列:

[1, 5, 47, 103, 235, 271, 353, 515, 859, 1355, 1765, 4295, 4841, 12737, 16591, 24205, 27913, 36359, 40373, 63685, 82955, 88477, 95663, 139565, 181795, 201865, 232789, 303227, 442385, 478315, 1163945, 1311911, 1516135, 1708873, 4158419, 4496161, 6559555, 8544365, 9853289, 10941083, 14251669, 20792095, 22480805, 23977267, 31232381, 49266445, 54705415, 71258345, 82174517, 119886335, 156161905, 410872585, 463104583, 1126931549, 1467921907, 2315522915, 3862202299, 5634657745, 7339609535, 8463975251, 19311011495, 42319876255, 397806836797, 1989034183985]

約数ペア:

[(1, 1989034183985), (5, 397806836797), (47, 42319876255), (103, 19311011495), (235, 8463975251), (271, 7339609535), (353, 5634657745), (515, 3862202299), (859, 2315522915), (1355, 1467921907), (1765, 1126931549), (4295, 463104583), (4841, 410872585), (12737, 156161905), (16591, 119886335), (24205, 82174517), (27913, 71258345), (36359, 54705415), (40373, 49266445), (63685, 31232381), (82955, 23977267), (88477, 22480805), (95663, 20792095), (139565, 14251669), (181795, 10941083), (201865, 9853289), (232789, 8544365), (303227, 6559555), (442385, 4496161), (478315, 4158419), (1163945, 1708873), (1311911, 1516135)]