38634128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{661}}^1$

素因数の和:963

約数の個数: 40

約数和(自身を含む): 81020856

約数和(自身を除く): 42386728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 281, 562, 661, 1124, 1322, 2248, 2644, 3653, 4496, 5288, 7306, 8593, 10576, 14612, 17186, 29224, 34372, 58448, 68744, 137488, 185741, 371482, 742964, 1485928, 2414633, 2971856, 4829266, 9658532, 19317064, 38634128]

約数ペア:

[(1, 38634128), (2, 19317064), (4, 9658532), (8, 4829266), (13, 2971856), (16, 2414633), (26, 1485928), (52, 742964), (104, 371482), (208, 185741), (281, 137488), (562, 68744), (661, 58448), (1124, 34372), (1322, 29224), (2248, 17186), (2644, 14612), (3653, 10576), (4496, 8593), (5288, 7306)]