4991226128

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2345501}}^1$

素因数の和:2345535

約数の個数: 40

約数和(自身を含む): 11633689920

約数和(自身を除く): 6642463792

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 2345501, 4691002, 9382004, 16418507, 18764008, 32837014, 37528016, 44564519, 65674028, 89129038, 131348056, 178258076, 262696112, 311951633, 356516152, 623903266, 713032304, 1247806532, 2495613064, 4991226128]

約数ペア:

[(1, 4991226128), (2, 2495613064), (4, 1247806532), (7, 713032304), (8, 623903266), (14, 356516152), (16, 311951633), (19, 262696112), (28, 178258076), (38, 131348056), (56, 89129038), (76, 65674028), (112, 44564519), (133, 37528016), (152, 32837014), (266, 18764008), (304, 16418507), (532, 9382004), (1064, 4691002), (2128, 2345501)]