2041830128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{316661}}^1$

素因数の和:316713

約数の個数: 40

約数和(自身を含む): 4397801856

約数和(自身を除く): 2355971728

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 316661, 633322, 1266644, 2533288, 4116593, 5066576, 8233186, 9816491, 16466372, 19632982, 32932744, 39265964, 65865488, 78531928, 127614383, 157063856, 255228766, 510457532, 1020915064, 2041830128]

約数ペア:

[(1, 2041830128), (2, 1020915064), (4, 510457532), (8, 255228766), (13, 157063856), (16, 127614383), (26, 78531928), (31, 65865488), (52, 39265964), (62, 32932744), (104, 19632982), (124, 16466372), (208, 9816491), (248, 8233186), (403, 5066576), (496, 4116593), (806, 2533288), (1612, 1266644), (3224, 633322), (6448, 316661)]