1781328128

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{366227}}^1$

素因数の和:366262

約数の個数: 36

約数和(自身を含む): 3742850160

約数和(自身を除く): 1961522032

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4864, 366227, 732454, 1464908, 2929816, 5859632, 6958313, 11719264, 13916626, 23438528, 27833252, 46877056, 55666504, 93754112, 111333008, 222666016, 445332032, 890664064, 1781328128]

約数ペア:

[(1, 1781328128), (2, 890664064), (4, 445332032), (8, 222666016), (16, 111333008), (19, 93754112), (32, 55666504), (38, 46877056), (64, 27833252), (76, 23438528), (128, 13916626), (152, 11719264), (256, 6958313), (304, 5859632), (608, 2929816), (1216, 1464908), (2432, 732454), (4864, 366227)]