28338128

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19463}}^1$

素因数の和:19491

約数の個数: 40

約数和(自身を含む): 67579008

約数和(自身を除く): 39240880

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 19463, 38926, 77852, 136241, 155704, 253019, 272482, 311408, 506038, 544964, 1012076, 1089928, 1771133, 2024152, 2179856, 3542266, 4048304, 7084532, 14169064, 28338128]

約数ペア:

[(1, 28338128), (2, 14169064), (4, 7084532), (7, 4048304), (8, 3542266), (13, 2179856), (14, 2024152), (16, 1771133), (26, 1089928), (28, 1012076), (52, 544964), (56, 506038), (91, 311408), (104, 272482), (112, 253019), (182, 155704), (208, 136241), (364, 77852), (728, 38926), (1456, 19463)]