643321698

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{6961}}^1$

素因数の和:7250

約数の個数: 32

約数和(自身を含む): 1310638272

約数和(自身を除く): 667316574

約数列:

[1, 2, 3, 6, 73, 146, 211, 219, 422, 438, 633, 1266, 6961, 13922, 15403, 20883, 30806, 41766, 46209, 92418, 508153, 1016306, 1468771, 1524459, 2937542, 3048918, 4406313, 8812626, 107220283, 214440566, 321660849, 643321698]

約数ペア:

[(1, 643321698), (2, 321660849), (3, 214440566), (6, 107220283), (73, 8812626), (146, 4406313), (211, 3048918), (219, 2937542), (422, 1524459), (438, 1468771), (633, 1016306), (1266, 508153), (6961, 92418), (13922, 46209), (15403, 41766), (20883, 30806)]