258055408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1291}}^1$

素因数の和:1374

約数の個数: 60

約数和(自身を含む): 556802904

約数和(自身を除く): 298747496

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 961, 1291, 1612, 1922, 2582, 3224, 3844, 5164, 6448, 7688, 10328, 12493, 15376, 16783, 20656, 24986, 33566, 40021, 49972, 67132, 80042, 99944, 134264, 160084, 199888, 268528, 320168, 520273, 640336, 1040546, 1240651, 2081092, 2481302, 4162184, 4962604, 8324368, 9925208, 16128463, 19850416, 32256926, 64513852, 129027704, 258055408]

約数ペア:

[(1, 258055408), (2, 129027704), (4, 64513852), (8, 32256926), (13, 19850416), (16, 16128463), (26, 9925208), (31, 8324368), (52, 4962604), (62, 4162184), (104, 2481302), (124, 2081092), (208, 1240651), (248, 1040546), (403, 640336), (496, 520273), (806, 320168), (961, 268528), (1291, 199888), (1612, 160084), (1922, 134264), (2582, 99944), (3224, 80042), (3844, 67132), (5164, 49972), (6448, 40021), (7688, 33566), (10328, 24986), (12493, 20656), (15376, 16783)]