31781048

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4561}}^1$

素因数の和:4647

約数の個数: 32

約数和(自身を含む): 65145360

約数和(自身を除く): 33364312

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 3484, 4561, 6968, 9122, 18244, 36488, 59293, 118586, 237172, 305587, 474344, 611174, 1222348, 2444696, 3972631, 7945262, 15890524, 31781048]

約数ペア:

[(1, 31781048), (2, 15890524), (4, 7945262), (8, 3972631), (13, 2444696), (26, 1222348), (52, 611174), (67, 474344), (104, 305587), (134, 237172), (268, 118586), (536, 59293), (871, 36488), (1742, 18244), (3484, 9122), (4561, 6968)]