51781928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{3251}}^1$

素因数の和:3449

約数の個数: 32

約数和(自身を含む): 106535520

約数和(自身を除く): 54753592

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 181, 362, 724, 1448, 1991, 3251, 3982, 6502, 7964, 13004, 15928, 26008, 35761, 71522, 143044, 286088, 588431, 1176862, 2353724, 4707448, 6472741, 12945482, 25890964, 51781928]

約数ペア:

[(1, 51781928), (2, 25890964), (4, 12945482), (8, 6472741), (11, 4707448), (22, 2353724), (44, 1176862), (88, 588431), (181, 286088), (362, 143044), (724, 71522), (1448, 35761), (1991, 26008), (3251, 15928), (3982, 13004), (6502, 7964)]