128845808

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{88493}}^1$

素因数の和:88521

約数の個数: 40

約数和(自身を含む): 307251168

約数和(自身を除く): 178405360

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 88493, 176986, 353972, 619451, 707944, 1150409, 1238902, 1415888, 2300818, 2477804, 4601636, 4955608, 8052863, 9203272, 9911216, 16105726, 18406544, 32211452, 64422904, 128845808]

約数ペア:

[(1, 128845808), (2, 64422904), (4, 32211452), (7, 18406544), (8, 16105726), (13, 9911216), (14, 9203272), (16, 8052863), (26, 4955608), (28, 4601636), (52, 2477804), (56, 2300818), (91, 1415888), (104, 1238902), (112, 1150409), (182, 707944), (208, 619451), (364, 353972), (728, 176986), (1456, 88493)]