209461567336

素因数分解:

$2^3\times 7^2\times {\mathrm{787}}^1\times {\mathrm{678959}}^1$

素因数の和:679766

約数の個数: 48

約数和(自身を含む): 457442510400

約数和(自身を除く): 247980943064

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 787, 1574, 3148, 5509, 6296, 11018, 22036, 38563, 44072, 77126, 154252, 308504, 678959, 1357918, 2715836, 4752713, 5431672, 9505426, 19010852, 33268991, 38021704, 66537982, 133075964, 266151928, 534340733, 1068681466, 2137362932, 3740385131, 4274725864, 7480770262, 14961540524, 26182695917, 29923081048, 52365391834, 104730783668, 209461567336]

約数ペア:

[(1, 209461567336), (2, 104730783668), (4, 52365391834), (7, 29923081048), (8, 26182695917), (14, 14961540524), (28, 7480770262), (49, 4274725864), (56, 3740385131), (98, 2137362932), (196, 1068681466), (392, 534340733), (787, 266151928), (1574, 133075964), (3148, 66537982), (5509, 38021704), (6296, 33268991), (11018, 19010852), (22036, 9505426), (38563, 5431672), (44072, 4752713), (77126, 2715836), (154252, 1357918), (308504, 678959)]