51219688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15887}}^1$

素因数の和:15937

約数の個数: 32

約数和(自身を含む): 106767360

約数和(自身を除く): 55547672

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 15887, 31774, 63548, 127096, 206531, 413062, 492497, 826124, 984994, 1652248, 1969988, 3939976, 6402461, 12804922, 25609844, 51219688]

約数ペア:

[(1, 51219688), (2, 25609844), (4, 12804922), (8, 6402461), (13, 3939976), (26, 1969988), (31, 1652248), (52, 984994), (62, 826124), (104, 492497), (124, 413062), (248, 206531), (403, 127096), (806, 63548), (1612, 31774), (3224, 15887)]