129611248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20101}}^1$

素因数の和:20153

約数の個数: 40

約数和(自身を含む): 279176576

約数和(自身を除く): 149565328

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 20101, 40202, 80404, 160808, 261313, 321616, 522626, 623131, 1045252, 1246262, 2090504, 2492524, 4181008, 4985048, 8100703, 9970096, 16201406, 32402812, 64805624, 129611248]

約数ペア:

[(1, 129611248), (2, 64805624), (4, 32402812), (8, 16201406), (13, 9970096), (16, 8100703), (26, 4985048), (31, 4181008), (52, 2492524), (62, 2090504), (104, 1246262), (124, 1045252), (208, 623131), (248, 522626), (403, 321616), (496, 261313), (806, 160808), (1612, 80404), (3224, 40202), (6448, 20101)]