81457792

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{48953}}^1$

素因数の和:48980

約数の個数: 32

約数和(自身を含む): 174765780

約数和(自身を除く): 93307988

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 48953, 97906, 195812, 391624, 636389, 783248, 1272778, 1566496, 2545556, 3132992, 5091112, 6265984, 10182224, 20364448, 40728896, 81457792]

約数ペア:

[(1, 81457792), (2, 40728896), (4, 20364448), (8, 10182224), (13, 6265984), (16, 5091112), (26, 3132992), (32, 2545556), (52, 1566496), (64, 1272778), (104, 783248), (128, 636389), (208, 391624), (416, 195812), (832, 97906), (1664, 48953)]