2017889552

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{418997}}^1$

素因数の和:419055

約数の個数: 40

約数和(自身を含む): 4572106176

約数和(自身を除く): 2554216624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 4816, 418997, 837994, 1675988, 2932979, 3351976, 5865958, 6703952, 11731916, 18016871, 23463832, 36033742, 46927664, 72067484, 126118097, 144134968, 252236194, 288269936, 504472388, 1008944776, 2017889552]

約数ペア:

[(1, 2017889552), (2, 1008944776), (4, 504472388), (7, 288269936), (8, 252236194), (14, 144134968), (16, 126118097), (28, 72067484), (43, 46927664), (56, 36033742), (86, 23463832), (112, 18016871), (172, 11731916), (301, 6703952), (344, 5865958), (602, 3351976), (688, 2932979), (1204, 1675988), (2408, 837994), (4816, 418997)]