123630728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1237}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 258160140

約数和(自身を除く): 134529412

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 961, 1237, 1612, 1922, 2474, 3224, 3844, 4948, 7688, 9896, 12493, 16081, 24986, 32162, 38347, 49972, 64324, 76694, 99944, 128648, 153388, 306776, 498511, 997022, 1188757, 1994044, 2377514, 3988088, 4755028, 9510056, 15453841, 30907682, 61815364, 123630728]

約数ペア:

[(1, 123630728), (2, 61815364), (4, 30907682), (8, 15453841), (13, 9510056), (26, 4755028), (31, 3988088), (52, 2377514), (62, 1994044), (104, 1188757), (124, 997022), (248, 498511), (403, 306776), (806, 153388), (961, 128648), (1237, 99944), (1612, 76694), (1922, 64324), (2474, 49972), (3224, 38347), (3844, 32162), (4948, 24986), (7688, 16081), (9896, 12493)]